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:
Three-Way Calling
Three-Way Calling must be
supported on the cell phone and
enabled by the wireless service
carrier to work.
1. While on a call press .
2. Say “Three-way call.”
3. Use the dial or call command ...
Floor Mats
WARNING
If a floor mat is the wrong size or is not properly installed, it can interfere
with the pedals.
Interference with the pedals can cause unintended acceleration and/or increased
stopping d ...
Passenger Sensing System
The vehicle has a passenger sensing system for the front outboard passenger
position.
The passenger airbag status indicator will light on the overhead console
when the vehicle is started.
...