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:
Programming the Power Windows
If the vehicle battery has been
recharged, disconnected or not
working, the front power windows
will need to be reprogrammed for
the express-up feature to work.
Before reprogramming, replace ...
Questions and Answers About Safety Belts
Q: Will I be trapped in the vehicle after a crash if I am wearing a safety belt?
A: You could be— whether you are wearing a safety belt or not. Your chance of
being conscious during and after a cra ...
Folding the Seatback
To fold the seatback:
1. Open the liftgate to access the controls for the seat.
2. Remove all items on the seat cushion.
Notice: Folding a rear seat with the safety belts still fastened may cause d ...