See also:

Lumbar Adjustment
To adjust the lumbar support: Press and hold the front or rear of the control to increase or decrease lumbar support. Press and hold the top or bottom of the control to raise or lower the ...

Customer Satisfaction Procedure (Mexico)
Did you get the Warranty Extension Plan? This plan is recommended by General Motors to supplement the warranty included with the new vehicle purchase. See your dealer for details. Customer Assis ...

TTY Users
OnStar has the ability to communicate to the deaf, hard–of–hearing, or speech–impaired customers while in the vehicle. The available dealer–installed TTY system can provide in-vehicle acces ...