See also:

Side Bolster
To adjust the side bolster support, if equipped: - Press the top or bottom of the control (A) to increase or decrease support in the seat cushion bolsters. - Press the top or bottom of the ...

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 ...

Accessories and Modifications
Adding non-dealer accessories or making modifications to the vehicle can affect vehicle performance and safety, including such things as airbags, braking, stability, ride and handling, emissions s ...