GMC Sierra
GMC Sierra

See also:
Entering the Feature Settings Menu
1. Turn the ignition on and place the vehicle in P (Park).
To avoid excessive drain on the battery, it is recommended that the headlamps are turned off.
2. Press the customization button to enter th ...
OnStar®
If the vehicle is equipped with an active OnStar system, that system may also record data in crash or near crash-like situations.
The OnStar Terms and Conditions provides information on data collecti ...
Fuel Economy Light
For vehicles with the fuel economy mode light, it comes on when the eco (economy)
switch, located on the center console near the shifter, is pressed. For vehicles
with a Driver Information Cente ...





