Warranty
OnStar equipment may be warranted as part of the new-vehicle limited warranty. The manufacturer of the vehicle furnishes detailed warranty information.
See also:
GMC Terrain in the Market
With the Equinox and Terrain, GM stands to regain some lost share in the
crossover market — if for no other reason than 32 mpg in an SUV is no small
feat. The Terrain is competitive otherwise, b ...
Customer Assistance Offices (U.S. and Canada)
GMC encourages customers to call the toll-free number for assistance.
However, if a customer wishes to write or e-mail GMC, the letter should be addressed to:
United States
GMC Customer Assistance ...
Rear Safety Belt Comfort Guides
This vehicle may have rear shoulder belt comfort guides. If not, they are available through your dealer. The guides may provide added safety belt comfort for older children who have outgrown booster s ...