The steering wheel switches can be used to operate a connected cellular phone.
Operating a telephone using the steering wheel switches
On hook switch

Bluetooth® phone
message function
Bluetooth® phone
settingsInstallation
Caution:
Be sure to read the precautionary notices concerning the
srs airbag system before servicing it (see page rs-1).
Install steering pad assembly
Support the steering pad with one hand as shown in
the illustration.
Connect the 2 airbag connectors.
Notice:
When handling t ...
Short in front passenger side squib 2nd step circuit
Description
The front passenger side squib 2nd step circuit consists of the center airbag
sensor and the front
passenger airbag.
The circuit instructs the srs to deploy when the deployment conditions are met.
These dtcs are recorded when a malfunction is detected in the front passenger ...
Disposal
Hint:
When scrapping a vehicle equipped with an srs or disposing
of the front passenger side knee airbag, be sure to deploy the
airbag first in accordance with the procedure described
below. If any abnormality occurs with the airbag deployment,
contact the service dept. Of toyota motor sales,
...