See also:

TTY Users
OnStar has the ability to communicate to the deaf, hard&-ofhearing, or speech&-impaired customers while in the vehicle. The available dealer&-installed TTY system can provide in-vehicl ...

Overheated Engine Protection Operating Mode
If an overheated engine condition exists and the ENGINE POWER IS REDUCED message displays, an overheat protection mode which alternates firing groups of cylinders helps to prevent engine damage. In th ...

Power Seat Adjustment
A. Seat Adjustment Control B. Seatback Control C. Lumbar Control To adjust a power seat, if equipped: • Move the seat forward or rearward by sliding the control (A) forward or rearward. • R ...