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.

    See also:

    Shift Speeds (Manual Transmission)
    WARNING! If you skip a gear when you downshift, you could lose control of the vehicle. You could injure yourself or others. Do not shift down more than one gear at a time when you downshift ...

    Exterior
    Built on the same platform as the Chevrolet Suburban and GMC Yukon XL, the Escalade ESV stretches 20.4 inches longer than the regular Escalade. Fourteen of those inches go to extending the wheelba ...

    Vehicle and Power Issues
    OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not o ...