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 access to all of the OnStar services, except Virtual Advisor and OnStar Turn-by-Turn Navigation.
See also:
Seat Adjustment
WARNING
You can lose control of the vehicle if you try to adjust a manual driver seat while the vehicle is moving. The sudden movement could startle and confuse you, or make you push a pedal when you ...
Denali details
The iconic Yukon Denali delves deeper into the luxury SUV realm with enhanced
features and craftsmanship that distinguish it from other models. It is a
comprehensive package of performance, amenit ...
Express-open/Express-close
Press and release the front or rear of the driver side switch to express-open
or express-close the sunroof. ...