Failing to investigate the cause of the following warnings may lead to the system operating abnormally and possibly cause an accident.
Have the vehicle inspected by your Toyota dealer immediately.


Stop the vehicle immediately.
Follow the correction procedures.Uniform Tire Quality Grading
This information has been prepared in accordance with regulations issued by the
National Highway Traffic Safety Administration of the U.S. Department of Transportation.
It provides the purchasers and/or prospective purchasers of Toyota vehicles with
infor ...
Wheels
If a wheel is bent, cracked or heavily corroded, it should be replaced.
Otherwise, the tire may separate from the wheel or cause loss of handling control.
- Wheel selection
When replacing wheels, care should be taken to ensure that they are equivalent ...
Front Left Sensor Malfunction (C1AE1)
DESCRIPTION
The No. 1 ultrasonic sensor (front left sensor) is installed on the front bumper.
The ECU detects obstacles based on signals received from the No. 1 ultrasonic sensor
(front left sensor). If the No. 1 ultrasonic sensor (front left sensor) has ...