1995 GMC Sonoma Owner's Manual - Page 69

I NOTICE: Driving with the parking brake on can cause your rear brakes to overheat. You may have to replace them, and you could also damage other partsof your vehicle. If you are on a hill: "Parking on Hills'' in the Index. That section See shows how to turn your front wheels. If you are towing a trailer and are parking any hill: See "Towing a on Trailer" in the Index. That section shows what to do first to keep the trailer from moving. Shifting IntoPARK (P) (Automatic TransmissionModels Only) 1. Hold the brake pedal down with your right foot and set the parking brake. 2-23