TTY Users
OnStar has the ability to communicate to the deaf, hard&-ofhearing, 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:
Wheel Alignment
Wheel alignment is critical for ensuring that the tires deliver optimal wear and performance.
• Signs that the alignment may need to be adjusted include pulling, improper vehicle handling, or unusu ...
Key Lock Release
Vehicles with an automatic transmission are equipped with an electronic key lock
release system.
The key lock release is designed to prevent ignition key removal unless the shift
lever is in P ...
Special Application Services
• Severe Commercial Use Vehicles Only: Lubricate chassis components every 5 000 km/3,000 mi.
• Have underbody flushing service performed once a year. ...