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, press
, and an Advisor can run a check.
Connections
OnStar Additional InformationStoring the Tire Sealant and Compressor Kit
The tire sealant and compressor kit is located in the trunk, under the load floor,
behind an access panel.
To remove the kit:
1. Open the trunk.
2. Turn the left knob counterclockwise and the right knob clockwise, 90 degrees,
at the same time. Then pull the access panel rearward and up to r ...
Exit Lighting
The headlamps, taillamps, parking lamps, back-up lamps, and license plate lamps
come on at night, or in areas with limited lighting, when the key is removed from
the ignition.
The dome lamps also come on when the key is removed from the ignition. The exterior
lights and dome lamps remain on a ...
Power Windows Description and Operation
Power Windows System Components
The power window system consists of the following components:
Driver window switch
Passenger window switch
Left rear window switch
Right rear window switch
Window motors in each of the doors
F24UA 30A Fuse
F55UA 7.5A Fuse
F21UA 7.5A Fuse
Body cont ...