Conversions and Add-Ons

Add-On Electrical Equipment

Notice: Do not add anything electrical to the vehicle unless you check with your dealer first.

Some electrical equipment can damage the vehicle and the damage would not be covered by the vehicle's warranty. Some add-on electrical equipment can keep other components from working as they should.

Add-on equipment can drain the vehicle's 12-volt battery, even if the vehicle is not operating.

The vehicle has an airbag system.

Before attempting to add anything electrical to the vehicle, see Servicing the Airbag-Equipped Vehicle  and Adding Equipment to the Airbag-Equipped Vehicle .

    See also:

    Your Responsibility
    Increase the volume of the radio if the OnStar Advisor cannot be heard. If the light next to the OnStar buttons is red, the system may not be functioning properly. Push and request a vehicle diagnos ...

    Wiper Blade Replacement
    Windshield wiper blades should be inspected for wear and cracking. See Maintenance Schedule  for more information. Replacement blades come in different types and are removed in different ways. ...

    Solid structure
    At the core of Rainier's quiet ride quality are best-in-class body-stiffness attributes. With its all-out dedication to isolation from road noise and vibration, Rainier achieves sound levels some ...