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:
Gasoline Specifications (U.S. and Canada Only)
At a minimum, gasoline should meet ASTM specification D 4814 in the United States
or CAN/CGSB&-3.5 or 3.511 in Canada. Some gasolines contain an octane-enhancing
additive called methylcyclopen ...
How to Check
Use a good quality pocket-type gauge to check tire pressure. Proper tire inflation
cannot be determined by looking at the tire. Check the tire inflation pressure when
the tires are cold, meaning t ...
Ignition Positions
The ignition switch has four different positions.
Notice: Using a tool to force the key to turn in the ignition could cause damage
to the switch or break the key. Use the correct key, make sure i ...





