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:
Leaving the Vehicle With
the Engine Running
(Automatic Transmission)
WARNING!
It can be dangerous to leave the
vehicle with the engine running.
The vehicle could move suddenly
if the shift lever is not fully in
P (Park) with the parking brake
firmly set. And, ...
All-Wheel Drive
Transfer Case
When to Check and Change Lubricant
The transfer case is filled with oil during manufacture, which then does not
require changing. It is not necessary to regularly check the transf ...
Steps for Determining Correct Load Limit
1. Locate the statement “The combined weight of occupants and cargo should
never exceed XXX kg or XXX lbs” on your vehicle's placard.
2. Determine the combined weight of the driver and passengers ...