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:
When the System Does Not Seem To Work Properly
The RVC system might not work properly or display a clear image if:
The RVC is turned off. See “Turning the RVC System On or Off” earlier
in this section.
It is dark.
The sun or the beam of ...
Reclining Seatbacks (Bucket Seats Only)
On vehicles with second row bucket seats, the seatbacks can be reclined.
To recline the seatback:
1. Lift the lever on the outboard side of the seat.
2. Move the seatback to the desired position, ...
Getting Started on Your Route
Once a destination has been entered, there are several functions that can be
performed. Press DEST to access the Route screen.
Turn List
Press to view the list of turn maneuvers for the entire ...