See also:

Customer Assistance for Text Telephone (TTY) Users (U.S. and Canada)
To assist customers who are deaf, hard of hearing, or speech impaired and who use Text Telephones (TTYs), GMC has TTY equipment available at its Customer Assistance Center. Any TTY user can communicat ...

Power Reclining Seatbacks
To adjust a power seatback, if available: ○ Tilt the top of the control rearward to recline. ○ Tilt the top of the control forward to raise. ...

New Vehicle Break-In
Notice: The vehicle does not need an elaborate break-in. But it will perform better in the long run if you follow these guidelines: • If you have all-wheel drive, keep your speed at 88 km/h (55 mp ...