1993 Buick Roadmaster Owner's Manual - Page 83

Limited-Slip Rear Axle If you have this feature, your rear can give you axle additional traction on snow,,mud, ice, sand or gravel. It works like a standard axle mostthe. time; but when of no one of the rear wheels has traction and the other does, the limited-slip feature will allow the wheel with traction to move the vehicle. Parking Brake To set the parking brake: Hold theregulaT brake pedal down- with y,our rightfoot. Push down the 1: parkng.brake pedal with 1;. -your lefi-foot..rf the 1:. 'ignitionis on, the brake ,system warning light will come on. i~