Vehicle Security

This vehicle has theft-deterrent features; however, they do not make it impossible to steal.

See also:

Disarming the System
To disarm the system, do one of the following: ○ Press on the RKE transmitter. ○ Turn the ignition to ON/RUN. ○ Allow the alarm to time out after about 30 seconds and reset itsel ...

Engine Oil
For diesel engine vehicles, see “Engine Oil” in the Duramax Diesel Supplement. To ensure proper engine performance and long life, careful attention must be paid to engine oil. Following these si ...

Vehicle Overview
GM says the Sierra 1500 Hybrid's gasoline V-8 and electric motors team up for an overall mileage improvement compared with the regular Sierra. The Sierra Hybrid is only available as a rear- or fou ...