See also:

Guarding against exhaust fumes
WARNING: If you smell exhaust fumes inside your vehicle, have your dealer inspect your vehicle immediately. Do not drive if you smell exhaust fumes. Carbon monoxide is present in exhaust fumes. ...

BLIS -CTA fault operation
If the BLIS -CTA senses a fault on either the left or right sensor, the BLIS alert indicator will go ON and remain ON and the message center will display BLIND SPOT SYSTEM FAULT or CROSS TRAFFIC S ...

Troubleshooting
...