OnStar Services

See also:

Interior details and flexibility
The GMC Terrain's rich, premium interior is influenced by industrial sculpture and exudes refinement exemplified by contrast stitching and fine materials that create a structured look throughout t ...

Safety
All-disc antilock brakes and daytime running lights are standard, but side-impact airbags are not available. ...

Entering the Feature Settings Menu
1. Turn the ignition on and place the vehicle in P (Park). To avoid excessive drain on the battery, turn the headlamps off. 2. Press the customization button to scroll through the available customiz ...