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:
Exit Lighting
This allows the selection of how long the exterior lamps stay on when
leaving the vehicle when it is dark outside.
Press the MENU/SELECT knob when Exit Lighting is highlighted.
Turn the knob to ...
Engine Oil
To ensure proper engine
performance and long life, careful
attention must be paid to engine oil.
Following these simple, but
important steps will help protect
your investment:
- Always use e ...
License Plate Lamp
1. Remove the two screws holding each of the license plate lamps to the molding
that is part of the liftgate.
2. Twist and pull the license plate lamp assembly forward through the molding
openi ...