See also:

Starting the Engine
Move the shift lever to P (Park) or N (Neutral). The engine will not start in any other position. To restart the vehicle when it is already moving, use N (Neutral) only. Notice: Do not try to shi ...

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 ...

Starting the Engine Using Remote Start
To start the vehicle: 1. Aim the RKE transmitter at the vehicle. 2. Press and release on the RKE transmitter. 3. Immediately after completing Step 2, press and hold until the parking lamps flash. ...