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:
Capacities and Specifications
The following approximate capacities are given in English and metric
conversions.
Engine Specifications
...
Navigation/Radio System
For vehicles with a navigation radio system, see the
separate Navigation System manual. ...
Washing the Vehicle
To preserve the vehicle's finish, keep it clean by washing it often.
Do not wash the vehicle in direct sunlight and use a car washing soap.
Notice: Do not use cleaning agents that are petroleum base ...