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:
Map Database Information
Use the Map Database Information/ Remove Map Data screen button to view the coverage
areas of the map database or to replace the map database.
1. Press the Map Database Information/Remove Map Dat ...
Extending Engine Run Time
For a 10-minute extension, repeat Steps 1 and 2 while the engine is still
running. The remote start can only be extended once.
When the remote start is extended, the second 10-minute period will s ...
Adjustable Throttle and Brake Pedal
If the vehicle has this feature, the position of the throttle and brake
pedals can be adjusted.
The switch used to adjust the pedals is located on the right side of the
steering column, below ...