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:
Navigation System
The vehicle’s navigation system provides detailed maps
of most major freeways and roads throughout the
United States and Canada. After a destination has been
set, the system provides turn-by-t ...
Radio Reception
Frequency interference and static
can occur during normal radio
reception if items such as cellular
phone chargers, vehicle
convenience accessories, and
external electronic devices are
plu ...
How to Add Coolant to the Coolant Surge Tank
Notice: This vehicle has a specific coolant fill procedure. Failure to follow
this procedure could cause the engine to overheat and be severely damaged.
If no problem is found, check to see if cool ...