GMC Sierra

Sierra is a 4-door, up to 6-passenger full size pickup.

See also:

Tow/Haul Mode
Tow/Haul assists when pulling a heavy trailer or a large or heavy load. The purpose of the Tow/Haul mode is to: • Reduce the frequency and improve the predictability of transmission shifts. • Pr ...

Ignition Positions
The ignition switch has four different positions. Notice: Using a tool to force the key to turn in the ignition could cause damage to the switch or break the key. Use the correct key, make sure i ...

English and Metric Unit Conversion
To change the display units between English and metric units, see Driver Information Center (DIC) on page 5‑23 for more information. ...