1997 Oldsmobile Bravada Owner's Manual - Page 70

It is dangerous to get out of your vehicle if the shift leveris not fully inPARK (P) with the parking brake firmlyset. Your vehiclecan roll. is Don't leave your vehicle when the engine running unless you have to. If you have left the engine running, the vehicle can move suddenly. You or otherscould be injured.To be sure your vehicle won't move, even when you're on fairly level ground, always set your parking brake and move the shift lever PARK to (P). Your vehicle will be free to roll even if your shift lever is in PARK (P) if your transfer case is inNEUTRAL (N). So, be sure the transfer case is in a drive gear not in NEUTRAL (N). See If you're "Shifting IntoPARK (P)" in the Index. pulling a trailer, see "Towing a Trailer" in the Index. Ensure the shift lever is fully in PARK (P)range before starting the engine. Your vehicle has a brake-transmission shift interlock. You have to fully apply your regular brakes before you can shift from PARK (P) when the ignition key is in the RUN position. If you cannot shift out of PARK (P), ease pressure on the shift lever -- press the button on the shift lever and push the shift lever all the way into PARK (P) as you maintain brake application. Then move the shift lever into thegear you wish. See "Shifting Out of PARK (P)" in the Index. REVERSE (R): Use this gear to back up. -- -- NOTICE: Shifting toREVERSE (R) while your vehicle is moving forward could damage your transmission. Shift toREVERSE (R)only after your vehicle isstopped. To rock your vehicle back and forth to get out of snow, ice orsand without damaging your transmission, see "Stuck: In Sand, Mud, Ice or Snow" in the Index. --