Buick Regal: Conversions and Add-Ons - Driving and Operating - Buick Regal Owners ManualBuick Regal: 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 .

    Towing
    General Towing Information The vehicle is neither designed nor intended to tow a trailer. ...

    See also:

    If the engine does not start
    ●The engine immobilizer system may not have been deactivated. ●Check that the shift lever is securely set in P. The engine may not start if the shift lever is displaced out of P. ...

    Exterior Lamps Off Reminder
    A warning chime sounds if the driver door is opened while the ignition is off and the exterior lamps are on. ...

    Backing up on a steep downhill
    When backing up the vehicle down a hill, the distance guide lines and the vehicle width guide lines are shown farther than the actual distance. For example, the display shows 3 ft (1.0 m) to the ...