See also:

Vehicle Overview
GMC's Terrain is the twin to the Chevrolet Equinox. The five-seat crossover comes in front- or all-wheel drive with a four-cylinder or V-6 engine. Competitors include the Ford Escape, Toyota RAV4 ...

Verify Minutes and Expiration
Push and say “minutes” then “verify” to check how many minutes remain and their expiration date. ...

Retrieve My Number
1. Push X. System responds: “OnStar ready.” 2. Say “My Number.” System responds: “Your OnStar Hands-Free Calling number is.” ...