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 on page 9‑112. Added electrical equipment may interfere with the operation of the OnStar system and cause it to not operate.

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    Maintenance Records
    After the scheduled services are performed, record the date, odometer reading, who performed the service, and the type of services performed in the boxes provided. Retain all maintenance receipts. ...

    Fog Lamps
    Use the fog lamps for better vision in foggy or misty conditions. The fog lamps button is on the exterior lamps control to the left of the steering column. (Fog Lamps): Press the exterior lamps but ...

    Treadwear
    The treadwear grade is a comparative rating based on the wear rate of the tire when tested under controlled conditions on a specified government test course. For example, a tire graded 150 would wear ...