The following warning indicates a possible problem in the brake system.
Immediately stop the vehicle in a safe place and contact your Toyota dealer.

If a warning light turns on or a warning buzzer sounds...
Stop the vehicle immediately.Door Side Airbag Sensor LH Malfunction (B1695/16)
DESCRIPTION
The side collision sensor LH circuit (to determine deployment of the front seat
side airbag assembly LH and curtain shield airbag assembly LH) is composed of the
center airbag sensor assembly, rear airbag sensor LH and side airbag sensor LH.
...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT DRIVER SIDE SEAT BELT WARNING
(a) Turn the ignition switch to ON.
(b) When the driver side seat belt is not fastened, check that the driver side
seat belt warning light on the combination meter assembly blinks.
...
Removal
REMOVAL
PROCEDURE
1. REMOVE REAR BUMPER ASSEMBLY
(See page )
2. REMOVE ULTRASONIC SENSOR CLIP
(a) Disconnect the connector.
Text in Illustration
*A
LH Side
*B
...