Diagnostics
OnStar Vehicle Diagnostics will
perform a vehicle check every
month. It will check the engine,
transmission, antilock brakes, and
major vehicle systems. It also
checks the tire pressures, if the
vehicle is equipped with the Tire
Pressure Monitoring System. If a
diagnostics check is needed
between e-mails, push 
, and
an Advisor can run a check.
See also:
Conditions in Which Remote Start Will Not Work
The remote vehicle start feature
will not operate if any of the
following occur:
- The ignition is in any position
other than LOCK/OFF.
- A keyless access transmitter is
inside the vehicle.
...
Removing the Third Row Seat
To remove the seat:
1. Open the liftgate to access the controls for the seat.
2. Fold the seatbacks forward using lever “1” and the instructions listed previously
under “Folding the Seatback.” The ...
Speed and Curve Assist
This display will show the speed limit or the advised speed as determined by
the information provided by the navigation system.
The map database loaded in the navigation system may need to be upda ...