GMC Sierra
GMC Sierra

See also:
Detecting the Vehicle Ahead
The green vehicle ahead indicator will appear when a vehicle is detected ahead.
Whenever this indicator does not appear, FCA will not respond. The indicator may
disappear on curves, highway exit ...
Testing the Alarm
To test the alarm:
1. From inside the vehicle, lower the driver side window, and open the driver door.
2. Press .
3. Get out of the vehicle, close the door, and wait for the security light to go ou ...
Trailer Towing
If the vehicle has a diesel engine, see the Duramax diesel supplement for more information.
If the vehicle is a hybrid, see the hybrid supplement for more information.
Do not tow a trailer during br ...





