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 interfere with the operation of the OnStar system and cause it to not operate.

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    Power Windows
    WARNING Leaving children in a vehicle with the keys is dangerous for many reasons. Children or others could be badly injured or even killed. They could operate the power windows or other con ...

    Tips and Troubleshooting
    IR Sensor Inoperative: Check that the batteries are good in the remote control. Check that the remote Control IR Sensor is not blocked. Aim the remote control toward the IR Sensor being controlled ...

    All-Wheel Drive
    If your vehicle is equipped with all-wheel-drive, this is an additional system that needs lubrication. Transfer Case When to Check Lubricant It is not necessary to regularly check the transfe ...