If a warning message is displayed
If a warning message is shown on the multi-information display, stay calm and perform the following actions:

- Master warning light The master warning light also comes on or flashes in order to indicate that a message is currently being displayed on the multi-information display.
- Multi-information display If any of the warning message or indicator comes on again after the following actions have been performed, contact your Toyota dealer.
Warning message and warning buzzer list
Warning message |
Details/Actions |
![]() | Indicates that:
- Slow the vehicle by applying the brakes. |
![]() | Indicates that the driver’s door was opened with the shift position in any position other than P A buzzer also sounds. - Shift the shift lever to P. |
![]() | Indicates that your vehicle is nearing the vehicle ahead (in vehicle-to-vehicle distance mode) A buzzer also sounds. - Slow the vehicle by applying the brakes. |
![]() | Indicates that one or more of the doors is not fully closed The system also indicates which doors are not fully closed. |
flashes and a buzzer sounds to indicate that the door(s) are not yet fully closed.- Make sure that all the doors are closed.

flashes and a buzzer sounds to indicate that the hood is not yet fully closed.
- Close the hood.

flashes and a buzzer sounds to indicate that the back door is not yet fully closed.
- Close the back door.

- Have the vehicle inspected by your Toyota dealer.

- Clean the sensor.

- Have the vehicle inspected by your Toyota dealer.

- The ABS; or
- The brake assist system
A buzzer also sounds.
- Immediately stop the vehicle in a safe place and contact your Toyota dealer. Continuing to drive the vehicle may be dangerous.

- The VSC (Vehicle Stability Control) system;
- The TRAC (Traction Control) system; or
- The hill-start assist control system (if equipped)
- Have the vehicle inspected by your Toyota dealer

-Stop the vehicle in a safe place and turn the engine switch off then “ON” position (vehicles without a smart key system) or IGNITION ON mode (vehicles with a smart key system) again.
If the tire pressure warning indicator flashes for 1 minute then illuminates, have the vehicle inspected by your Toyota dealer.

- The brake fluid level is low; or
- The brake system is malfunctioning
- Immediately stop the vehicle in a safe place and contact your Toyota dealer. Continuing to drive the vehicle may be dangerous.

- Release the parking brake


- Immediately stop the vehicle in a safe place and contact your Toyota dealer. Continuing to drive the vehicle may be dangerous.

- Clean the sensor.

- If the windshield wipers are on, turn them off or set them to a mode other than AUTO or high speed wiper operation.

- Clean the sensor and its surrounding area on the bumper.

- The cruise control system; or
- The dynamic radar cruise control system (if equipped)
Press the “ON/OFF” button once to deactivate the system, and then press the button again to reactivate the system.
A buzzer also sounds.
- Have the vehicle inspected by your Toyota dealer.

- Have the vehicle inspected by your Toyota dealer.

- Have the vehicle inspected by your Toyota dealer.

- Have the vehicle inspected by your Toyota dealer.

- Immediately stop the vehicle in a safe place and contact your Toyota dealer.

- Have the vehicle inspected by your Toyota dealer

Vehicles with a smart key system: Indicates that the engine switch is turned off and the driver’s door is opened while the lights are turned on.
A buzzer also sounds.- Turn the lights off.
- Immediately stop the vehicle in a safe place and contact your Toyota dealer.

- Have the vehicle inspected by your Toyota dealer

- Have the vehicle inspected by your Toyota dealer.

- Release the accelerator or brake pedal.

- Add washer fluid.

- Refuel the vehicle.


- Perform the necessary maintenance.
Please reset the message after the maintenance is performed
- Check the grille cover and the sensor and clean them if they are dirty.
*: Refer to the separate “Scheduled Maintenance Guide” or “Owner’s Manual Supplement” for the maintenance interval applicable to your vehicle.
Messages displays
The message illustrations used are intended as examples, and may differ from the image that is actually displayed on the multi-information display
Warning message in dynamic radar cruise control mode (if equipped)
In the following situations, the warning message may not be displayed even if vehicle-to-vehicle distance decreases:
- When your vehicle and the vehicle ahead are traveling at the same speed or the vehicle ahead is traveling more quickly than your vehicle
- When the vehicle ahead is traveling at a very low speed
- Immediately after cruise control speed is set
- At the instant the accelerator pedal is depressed
Conditions that the tire pressure warning system may not function properly
Warning buzzer
Interior buzzer |
Exterior buzzer |
Warning message |
Details/Actions |
| - | - | ![]() | Power was turned off due to the automatic power off function. - Next time when starting the engine, increase the engine speed slightly and maintain that level for approximately 5 minutes to recharge the battery. |
| Continuous | - |
![]() | The driver’s door was opened while any shift position other than P was selected without turning off the engine switch. - Shift the shift position to P. |
| Continuous | Continuous | ![]() | The electronic key was carried outside the vehicle and the driver’s door was opened and closed while any shift position other than P was selected without turning off the engine switch. - Shift the shift position to P. - Bring the electronic key back into the vehicle. |
| Once | - |
![]() | An attempt was made to start the engine without the electronic key being present, or the electronic key was not functioning normally. - Start the engine with the electronic key present. |
| An attempt was made to drive when the regular key was not inside the vehicle. - Confirm that the electronic key is inside the vehicle |
|||
| Once | 3 times | ![]() | The electronic key was carried outside the vehicle and a door other than the driver’s door was opened and closed while the engine switch was in a mode other than off. - Bring the electronic key back into the vehicle |
| The electronic key was carried outside the vehicle and the driver’s door was opened and closed while the shift position P was selected without turning off the engine switch. - Turn the engine switch off. - Bring the electronic key back into the vehicle. |
|||
| Once | Sounds once for 5 seconds | ![]() | An attempt was made to exit the vehicle with the electronic key and lock the doors without first turning the engine switch off. - Turn the engine switch off and lock the doors again. |
| Once | - |
![]() | An attempt was made to turn the engine switch off when the shift position was not in P. - To turn off the engine, first shift the shift position to P and then turn the engine switch off. |
| Once | Sounds once for 5 seconds | ![]() |
- Retrieve the electronic key from the vehicle and lock the doors again. |
| Once | - |
![]() |
- Touch the electronic key to the engine switch while depressing the brake pedal. |
| Once | - | ![]() | The driver’s door was opened and closed with the engine switch turned off and then the engine switch was put in ACCESSORY mode twice without the engine being started. - Press the engine switch while depressing the brake pedal. |
| During a engine starting procedure in the event that the electronic key was not functioning properly , the engine switch was touched with the electronic key. - Press the engine switch within 10 seconds of the buzzer sounding. |
|||
| Once | - | ![]() | The steering lock could not be released within 3 seconds of the engine switch being pressed. - Press the engine switch while depressing the brake pedal and moving the steering wheel left and right. |
| Once | - |
![]() | The electronic key has a low battery. - Replace the electronic key battery. |
Messages displays
The message illustrations used are intended as examples, and may differ from the image that is actually displayed on the multi-information display.
Warning buzzer
Test yourself
A quick Toyota Sienna quiz: every answer comes with an explanation and a link to the manual page.















