OnStar

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Instrument Panel Illumination Control
(Instrument Panel Brightness): This feature controls the brightness of the instrument panel lights and is located next to the exterior lamps control. Push the knob to extend out and then it ca ...

Back-Up Lamps
To replace this bulb: 1. Open the liftgate. See Liftgate   for more information. 2. Remove the two screws from the taillamp assembly. 3. Pull the taillamp assembly rearward until the ...

Safety System Check
Now and then, check that the safety belt reminder light, safety belts, buckles, latch plates, retractors, and anchorages are all working properly. Look for any other loose or damaged safety belt sys ...