OnStar navigation requires a specific OnStar subscription plan.
Press to receive directions or
have them sent to the vehicle navigation screen, if equipped.
Destinations can also be forwarded to the vehicle from MapQuest.com.
Turn-by-Turn Navigation
Using Voice Commands During a Planned Route
Cancel Route
Route Preview
Repeat
Get My Destination
Other Navigation Services Available from OnStar
OnStar eNav: Subscribers can send destinations from MapQuest.com to the vehicle Turn-by-Turn Navigation or screen-based navigation system (if equipped). When ready, the directions will be downloaded to the vehicle.
Destination Download: Press , then
request the Advisor to download directions to the navigation system in the vehicle
(if equipped). After the call ends, press the “Go” button on the navigation screen
to begin driving directions.
If directions are downloaded to the navigation system, the route can only be canceled through the navigation system.
Destinations can also be downloaded on the go. For information about eNav or Destination Download, see www.onstar.com (U.S.) or www.onstar.ca (Canada).
If the Off Indicator Is Lit for an Adult-Sized Occupant
If a person of adult size is sitting in the front outboard passenger seat, but
the off indicator is lit, it could be because that person is not sitting properly
in the seat or that the child restraint locking feature is engaged.
Use the following steps to allow the system to detect that per ...
Charging System Light
This light will come on briefly
when the ignition is turned on, and the engine is not running, as a check to show
it is working.
It should go out when the engine is started. If it stays on, or comes on while
driving, there may be a problem with the electrical charging system. Have it checked ...
Tire Pressure
Tires need the correct amount of air pressure to operate effectively.
Caution
Neither tire underinflation nor overinflation is good.
Underinflated tires, or tires that do not have enough air, can result in:
Tire overloading and overheating which could lead to a blowout.
Premature or irregul ...