Toyota C-HR Owners & Service Manuals
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Toyota CH-R: If a warning message is displayed

Toyota C-HR (AX20) 2023-2025 Owner's Manual / When trouble arises / Steps to take in an emergency / If a warning message is displayed

The multi-information display shows warnings for system malfunctions and incorrectly performed operations, and messages that indicate a need for maintenance. When a message is displayed, perform the appropriate corrective action for the message.

If a warning message is displayed again after the appropriate actions have been performed, contact any authorized Toyota retailer or Toyota authorized repairer, or any reliable repairer.

Additionally, if a warning light comes on or flashes at the same time that a warning message is displayed, take the appropriate corrective action for the warning light.

■Warning messages

The warning messages explained below may differ from the actual messages according to operation conditions and vehicle specifications.

■Warning buzzer

A buzzer may sound when a message is displayed.

The buzzer may not be audible if the vehicle is in a noisy location or if the audio system volume is high.

■If "Engine Oil Level Low Add or Replace" is displayed

The engine oil level is low. Check the level of the engine oil, and add if necessary.

This message may appear if the vehicle is stopped on a slope. Move the vehicle to a level surface and check to see if the message disappears.

■If "Hybrid System Stopped Steering Power Low" is displayed

This message is displayed if the hybrid system is stopped while driving.

When steering wheel operations are heavier than usual, grip the steering wheel firmly and operate it using more force than usual.

■If "Hybrid System Overheated Output Power Reduced" is displayed

This message may be displayed when driving under severe operating conditions.

(For example, when driving up a long steep hill.)

■If "Traction battery needs to be protected Refrain from the use of N position" is displayed

This message may be displayed when the shift position is in N.

As the hybrid battery (traction battery) cannot be charged when the shift position is in N, shift the shift position to P when the vehicle is stopped.

■If "Traction battery needs to be protected Shift into P to restart" is displayed

This message is displayed when the hybrid battery (traction battery) charge has become extremely low because the shift position has been left in N for a certain amount of time.

When operating the vehicle, shift to P and restart the hybrid system.

■If "Shift to P Before Exiting Vehicle" is shown

Message is displayed when the driver's door is opened without turning the power switch to OFF with the shift position in any position other than P. Shift the shift position to P.

■If "Shift is in N Release Accelerator Before Shifting" is displayed

The accelerator pedal has been depressed when the shift position is in N.

Release the accelerator pedal and shift the shift position to D or R.

■If "Shift System Malfunction Shifting Unavailable Drive to a Safe Place and Stop" or "Shift System Malfunction Driving Unavailable" is displayed

There is a malfunction is the shift control system.

Have the vehicle inspected by any authorized Toyota retailer or Toyota authorized repairer, or any reliable repairer.

■If a message that indicates the need for the shift position operation is displayed

To prevent the shift position from being operated incorrectly or the vehicle from moving unexpectedly, a message that requires shifting the shift position may be displayed on the multi-information display. In that case, follow the instruction of the message and shift the shift position.

■If "Press Brake when vehicle is stopped Hybrid system may overheat" is displayed

The message may be displayed when the accelerator pedal is depressed to hold the vehicle while the vehicle is stopped on an incline, etc. The hybrid system may overheat. Release the accelerator pedal and depress the brake pedal.

■If "Auto Power OFF to Conserve Battery" is displayed

Power was cut off due to the automatic power off function. Next time when starting the hybrid system, operate the hybrid system for approximately 5 minutes to recharge the 12-volt battery.

■If "Headlight System Malfunction Visit Your Dealer" is displayed

The following systems may be malfunctioning.

Have the vehicle inspected by any authorized Toyota retailer or Toyota authorized repairer, or any reliable repairer immediately.

  • The LED headlight system
  • AHS (Adaptive High-beam System) (if equipped)
  • AHB (Automatic High Beam) (if equipped)

■If "Parking Assist Unavailable Sensor Blocked" is displayed on the multi-information display (if equipped)

A sensor may be covered with water drops, ice, snow, dirt, etc. Remove the water drops, ice, snow, dirt, etc., from the sensor to return the system to normal.

Also, due to ice forming on a sensor at low temperatures, a warning message may be displayed or the sensor may not be able to detect an object. Once the ice melts, the system will return to normal.

If a sensor is dirty, the position of the dirty sensor will be shown on the display.

If an abnormality is displayed even though there are no water drops, ice, snow or dirt, the sensor may be operating abnormally. Have the vehicle inspected by any authorized Toyota retailer or Toyota authorized repairer, or any reliable repairer immediately.

■If "Parking Assist Unavailable Low Visibility See Owner's Manual" is displayed

Indicates one of the following systems is disabled.

  • RCD (Rear Camera Detection) (if equipped)
  • PKSB (Parking Support Brake) (if equipped)

Remove any dirt or foreign matter from the rear camera.

■If "System Malfunction Visit Your Dealer" is displayed

Indicates one of the following systems is disabled.

  • PCS (Pre-Collision System)
  • LDA (Lane Departure Alert)
  • LTA (Lane Tracing Assist)
  • LCA (Lane Change Assist) (if equipped)
  • AHB (Automatic High Beam) (if equipped)
  • AHS (Adaptive High-beam System) (if equipped)
  • Dynamic radar cruise control
  • Speed limiter (if equipped)
  • RSA (Road Sign Assist) (if equipped)
  • PDA (Proactive Driving Assist) (if equipped)
  • BSM (Blind Spot Monitor)
  • RCTA (Rear Crossing Traffic Alert) (if equipped)
  • Automatic Rear Flashing Hazard Lights (if equipped)
  • Safe Exit Assist
  • Secondary Collision Brake (Rear Impacts while Stopped) (if equipped)
  • Toyota parking assist-sensor (if equipped)
  • PKSB (Parking Support Brake) (if equipped)
  • RCD (Rear Camera Detection) (if equipped)

Have the vehicle inspected by any authorized Toyota retailer or Toyota authorized repairer, or any reliable repairer immediately.

■If "System Stopped See Owner's Manual" is displayed

Indicates one of the following systems is disabled.

  • PCS (Pre-Collision System)
  • LDA (Lane Departure Alert)
  • LTA (Lane Tracing Assist)
  • LCA (Lane Change Assist) (if equipped)
  • AHB (Automatic High Beam) (if equipped)
  • AHS (Adaptive High-beam System) (if equipped)
  • Dynamic radar cruise control
  • Speed limiter (if equipped)
  • RSA (Road Sign Assist) (if equipped)
  • PDA (Proactive Driving Assist) (if equipped)
  •   BSM (Blind Spot Monitor)
  •   RCTA (Rear Crossing Traffic Alert) (if equipped)
  •   Automatic Rear Flashing Hazard Lights (if equipped)
  •     Safe Exit Assist
  •   Secondary Collision Brake (Rear Impacts while Stopped) (if equipped)
  •   Toyota parking assist-sensor (if equipped)
  • PKSB (Parking Support Brake) (if equipped)
  • RCD (Rear Camera Detection) (if equipped)

Follow the following correction methods.

  • Check the voltage of the 12-volt battery.
  • Check the sensors that the Toyota Safety Sense uses for foreign matter covering them. Remove them if any.
  • Vehicle with RCD (Rear Camera Detection): Check if the back door is open.

Indicates the sensors may not be operating properly.

  • Check the rear bumper around the sensors used by the BSM, RCTA, Automatic Rear Flashing Hazard Lights (if equipped), Safe Exit Assist and Secondary Collision Brake (Rear Impacts while Stopped) (if equipped) for foreign matter covering them. Remove them if any.
  • Check the sensors including camera sensors used by the Toyota parking assist-sensor (if equipped) and PKSB (if equipped) for foreign matter covering them. Remove them if any.

When problems are solved and the sensors are operational, this indication may disappear by itself.

■If "System Stopped Front Camera Low Visibility See Owner's Manual" is displayed

Indicates one of the following systems is disabled.

  • PCS (Pre-Collision System)
  • LDA (Lane Departure Alert)
  • LTA (Lane Tracing Assist)
  • LCA (Lane Change Assist) (if equipped)
  • AHB (Automatic High Beam) (if equipped)
  • AHS (Adaptive High-beam System) (if equipped)
  • Dynamic radar cruise control
  • Speed limiter (if equipped)
  • RSA (Road Sign Assist) (if equipped)
  • PDA (Proactive Driving Assist) (if equipped)

Follow the following correction methods.

  • Using the windshield wipers, remove the dirt or foreign matter from the windshield.
  • Using the air conditioning system, defog the windshield.
  • Close the hood, remove any stickers, etc. to clear the obstruction in front of the front camera.

■If "System Stopped Front Camera Out of Temperature Range Wait until Normal Temperature" is displayed

Indicates one of the following systems is disabled.

  • PCS (Pre-Collision System)
  • LDA (Lane Departure Alert)
  • LTA (Lane Tracing Assist)
  • LCA (Lane Change Assist) (if equipped)
  • AHB (Automatic High Beam) (if equipped)
  • AHS (Adaptive High-beam System) (if equipped)
  • Dynamic radar cruise control
  • Speed limiter (if equipped)
  • RSA (Road Sign Assist) (if equipped)
  • PDA (Proactive Driving Assist) (if equipped)

Follow the following correction methods.

  • If the front camera is hot, such as after the vehicle is parked in the sun, use the air conditioning system to decrease the temperature around the front camera
  • If a sunshade was used when the vehicle was parked, depending on its type, the sunlight reflected from the surface of the sunshade may cause the temperature of the front camera to become excessively high
  • If the front camera is cold, such after the vehicle is parked in an extremely cold environment, use the air conditioning system to increase the temperature around the front camera

■If "System Stopped Front Radar Sensor Blocked Clean Radar Sensor" is displayed

Indicates one of the following systems is disabled.

  • PCS (Pre-Collision System)
  • LDA (Lane Departure Alert)
  • LTA (Lane Tracing Assist)
  • LCA (Lane Change Assist) (if equipped)
  • AHB (Automatic High Beam) (if equipped)
  • AHS (Adaptive High-beam System) (if equipped)
  • Dynamic radar cruise control
  • Speed limiter (if equipped)
  • PDA (Proactive Driving Assist) (if equipped)

Follow the following correction methods.

  • Check if there is any foreign matter attached to the radar sensor or radar sensor cover and clean them if necessary
  • This message may be displayed when driving in an open area with few nearby vehicles or structures, such as a desert, grasslands, suburbs, etc.

The message may be cleared by driving the vehicle in an area with structures, vehicles, etc., nearby.

■If "System Stopped Front Radar Sensor Out of Temperature Range Wait until Normal Temperature" is displayed

Indicates one of the following systems is disabled.

  • PCS (Pre-Collision System)
  • LDA (Lane Departure Alert)
  • LTA (Lane Tracing Assist)
  • LCA (Lane Change Assist) (if equipped)
  • AHB (Automatic High Beam) (if equipped)
  • AHS (Adaptive High-beam System) (if equipped)
  • Dynamic radar cruise control
  • Speed limiter (if equipped)
  • PDA (Proactive Driving Assist) (if equipped)

Follow the following correction methods.

  • The temperature of the radar sensor is outside of the operating range. Wait for the temperature to become appropriate.

■If "System Stopped Front Radar In Self Calibration See Owner's Manual" is displayed

Indicates one of the following systems is disabled.

  • PCS (Pre-Collision System)
  • LDA (Lane Departure Alert)
  • LTA (Lane Tracing Assist)
  • LCA (Lane Change Assist) (if equipped)
  • AHB (Automatic High Beam) (if equipped)
  • AHS (Adaptive High-beam System) (if equipped)
  • Dynamic radar cruise control
  • Speed limiter (if equipped)
  • PDA (Proactive Driving Assist) (if equipped)

Follow the following correction methods.

  • Check if there is any foreign matter attached to the radar sensor or radar sensor cover and clean them if necessary
  • The radar sensor may be misaligned and will be adjusted automatically while driving. Continue driving for a while.

■If "Unavailable Activation Condition not Satisfied See Owner's Manual" is displayed (if equipped)

The LCA function cannot be used as the operating conditions have not been met.

Operate the turn signal lever again after all of the operating conditions are met.

■If "Cruise Control Unavailable See Owner's Manual" is displayed

Indicates one of the following systems is disabled.

  • Dynamic radar cruise control
  • Cruise control

A message is displayed when the driving assist switch is pushed repeatedly.

Press the driving assist switch quickly and firmly.

■If "Speed Limiter Unavailable See Owner's Manual" is displayed (if equipped)

This message may be displayed when the shift position is in R.

Shift the shift position to D.

A message is displayed when the driving assist switch is pushed repeatedly.

Press the driving assist switch quickly and firmly.

■If "Driver Monitor Out of Temperature Range Wait until Normal Temperature" is displayed (if equipped)

Indicates one of the following systems is disabled.

  • Driver Monitor

The temperature of the driver monitor is outside of the operating range. Wait for the temperature to become appropriate.

■If "Driver Monitor Unavailable See Owner's Manual" is displayed (if equipped)

The lens of the driver monitor camera may be dirty.

When there is dirt on the camera lens, clean it with a dry, soft cloth so as not to damage it.

■If a message that indicates the need for visiting your any authorized Toyota retailer or Toyota authorized repairer, or any reliable repairer is displayed

The system or part shown on the multi-information display is malfunctioning.

Have the vehicle inspected by any authorized Toyota retailer or Toyota authorized repairer, or any reliable repairer immediately.

■If a message that indicates the need for referring to Owner's Manual is displayed

  • If "Engine Coolant Temp High Stop in a Safe Place See Owner's Manual" is displayed, follow the instructions accordingly.
  • Vehicles with GPF (Gasoline Particulate Filter) system: If "Exhaust Filter Full See Owner's Manual" is displayed, follow the instructions accordingly.
  • If "Oil Pressure Low Stop in a Safe Place See Owner's Manual" is displayed, follow the instructions accordingly.
  • If any of the following messages are displayed on the multi-information display, it may indicate a malfunction.

    Have the vehicle inspected by any authorized Toyota retailer or Toyota authorized repairer, or any reliable repairer immediately.

    • "Smart Entry & Start System Malfunction See Owner's Manual"
    • "Hybrid System Malfunction"
    • "Check Engine"
    • "Traction battery system malfunction"
    • "Accelerator System Malfunction"
    • "Shift System Malfunction Apply Parking Brake Securely When Parking See Owner's Manual"
    • "P Switch Malfunction Apply Parking Brake Securely When Parking See Owner's Manual"
    • "Shift System Unavailable Apply Parking Brake Securely When Parking See Owner's Manual"
    • "Shift System Malfunction See Owner's Manual"
    • "Shift System Malfunction Stop in a Safe Place See Owner's Manual"
    • "Battery Low Shifting Unavailable See Owner's Manual"
  • If any of the following messages are shown on the multi-information display, the vehicle may have run out of fuel. Stop the vehicle in a safe place and, if the fuel level is low, refuel the vehicle.
    • "Hybrid System Stopped"
    • "Engine Stopped"
  • If any of the following messages are displayed on the multi-information display, it may indicate a malfunction.

    Immediately stop the vehicle and contact any authorized Toyota retailer or Toyota authorized repairer, or any reliable repairer.

    • "Braking Power Low Visit Your Dealer"
    • "12-Volt Battery Charging System Malfunction Visit Your Dealer"
  • If "Low 12-volt Battery See Owner's Manual" is shown,
    • When the display goes off after several seconds (displays for about 6 seconds): Maintain the hybrid system operation for more than 15 minutes and charge the 12-volt battery.
    • When the display does not go off: Start up the hybrid system using the procedures
  • If "Maintenance Required for Traction Battery Cooling Parts See Owner's Manual" is shown, the filters may be clogged, the air intake vents may be blocked, or there may be a gap in the duct. Therefore, perform the following correction procedure.

Cleaning the hybrid battery (traction battery) air intake vent.

If the warning message is shown even if the vents are cleaned, have the vehicle inspected by any authorized Toyota retailer or Toyota authorized repairer, or any reliable repairer immediately.

■If "Maintenance Required For Traction Battery At Your Dealer" is displayed

The hybrid battery (traction battery) is scheduled to be inspected or replaced.

Have the vehicle inspected by any authorized Toyota retailer or Toyota authorized repairer, or any reliable repairer immediately.

  • Continuing to drive the vehicle without having the hybrid battery (traction battery) inspected will cause the hybrid system not to start.
  • If the hybrid system does not start, contact any authorized Toyota retailer or Toyota authorized repairer, or any reliable repairer immediately.

■If a message about an operation is shown

  • If a message about an operation of the accelerator pedal or brake pedal is shown.

A message about an operation of the brake pedal may be shown while the driving assist systems such as PCS (Pre-Collision System) or the dynamic radar cruise control is operating. If a warning message is shown, be sure to decelerate the vehicle or follow the instruction shown on the multi-information display.

  • A warning message is shown when Brake Override System operates.
  • A warning message is shown when Drive-Start Control operates. Follow the instructions on the multi-information display.

Toyota C-HR (AX20) 2023-2025 Owner's Manual

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