See also:

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 ...

Safety
Standard safety features include: Side curtain airbags with rollover sensor Four-wheel-disc antilock brakes Electronic stability system with roll-mitigation technology Rear parking sensors Backu ...

Seat Issues
As I say, I liked the look of the leather seats. Once I started driving, though, they offered no support in any direction; I felt like I was sitting on top of the seat rather than in it. While it' ...