OnStar Vehicle Diagnostics can perform a vehicle check every month. It will check
the engine, transmission, antilock brakes, and other major vehicle systems. It also
checks the tire pressures, if the vehicle is equipped with the Tire Pressure Monitoring
System. If an On-Demand Diagnostics check is needed, press
, and an Advisor can run a check.
Connections
OnStar Additional InformationPower Windows
Warning
Children could be seriously injured or killed if caught in the
path of a closing window. Never leave keys in a vehicle with children. When there
are children in the rear seat, use the window lockout button to prevent operation
of the windows. See Keys on page 2-1.
The switches on ...
Parking
If the vehicle has a manual transmission, before getting out of the vehicle,
move the shift lever into R (Reverse) if parking on a downhill slope. On a level
surface or an uphill slope, use 1 (First) gear.
Firmly apply the parking brake. Turn the wheels toward the curb for a downhill
slope, o ...
Malfunction Indicator Lamp
A computer system called OBD II (On-Board Diagnostics-Second Generation) monitors
the operation of the vehicle to ensure emissions are at acceptable levels, helping
to maintain a clean environment. The malfunction indicator lamp comes on when the
vehicle is placed in ON/RUN, as a check to show ...