1998 GMC Safari Owner's Manual - Page 104

A CAJTION: I It is dangerous get out of your vehicle the to if shift lever is not fullyPARK (P) with the in parking brake firmly set.Your vehiclecan roll. Don't leaveyour vehicle when the engine is running unless you have to.you have left If the engine running, vehicle can move suddenly. the You or others could be injured. be sure your To vehicle won't move, even when you're on fairly level ground, always set your parking brake and move the shift lever PARK (P). to See "Shifting Into PARK (P)" in the Index. If you're pullinga trailer, see "Towing Trailer'' in a the Index. Ensure the shift leveris fully in PARK (P) before starting the engine. Your vehicle has brake-transmission shift a interlock. You have to fully apply your regular brakes before you can shif' .from PARK (P) when the ignition key is in theRUN position. If you cannot shift out of PARK (P), ease pressure on theshift lever -- push the shift lever all the way into PARK (P) as you maintain brake application. Then move the shift lever into gear the you wish. See "Shifting Out PARK (P)"in this section. of REVERSE (R):Use this gear to back up. NOTICE: Shifting to REVERSE (R) while your vehicle is moving forward could damage your transmission. Shiftto REVERSE (R) only after your vehicle stopped. is To rock your vehicle back and forth to get of snow, out ice or sand without damaging your transmission, see "Stuck: In Sand, Mud, or Snow" in the Index. Ice NEUTRAL (N):In this position, your engine doesn't connect with the wheels. restart when you're To already moving, use NEUTRAL only. Also, use (N) NEUTRAL (N) when your vehicle is being towed. 2-20