See also:

Power Steering Fluid
See Engine Compartment Overview for reservoir location. When to Check Power Steering Fluid It is not necessary to regularly check power steering fluid unless a leak is suspected in the syst ...

Add-on Electrical Equipment
The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment. Added electrical equipment may interfer ...

Exit Lighting
The interior lamps come on when the key is removed from the ignition. They turn off automatically in 20 seconds. The lights do not come on if the dome override button is pressed in. ...