1997 GMC Jimmy Owner's Manual - Page 93

Leaving Your Vehicle With the Engine Running (Automatic Transmission Models Only) parking brake is firmly set before you leave it. After you've moved the shift lever into the PARK (P) position, hold the regular brake pedal down. Then, see if you can move the shift lever away from PARK (P) without first pulling it toward you (or pressing the button on a console shift lever). If YOLI can, it means that the shift lever wasn't fully locked into PARK (P). It can be dangerous toleave your vehicle with the engine running. Your vehicle could move suddenlJ if the shift lever is not fully in PARK (P) with the parking brake firmly If you have four-wheel set. lever and drive with a manual transfer case shift your transfercase is in NEUTRAL (N), your vehicle will be free toroll, even if your shift lever is in PARK (P). So be sure the transfer is in a case drive gear not in NEUTRAL (N). And, if you leave the vehicle with the engine running, it could overheat and even catch fire. You or otherscould be injured. Don't leave your vehicle with the engine runningunless you have to. Torque Lock (Automatic Transmission) If you are parking on a hill and you don't shift your transmission into PARK (P) properly, the weight of the vehicle may put too much force on the parking pawl in the transmission. You may find it difficult to pull the shift lever out of PARK (P). This is called "torque lock." To prevent torque lock, set the parking br'ke and then shift into PARK (P) properly before you leave the driver's seat. To find out how, see "Shifting Into PARK (P)" in the Index. When you are ready to drive, move the shift lever out of PARK (P) k c $ ~ w you release the parking brake. -- If you have to leave your vehicle with the engine running, be sure your vehicle is i n PARK (P) and y o ~ ~ r I F torque lock does occur. you may need to have another vehicle push yours a little uphill to take some of the pressure from the parking pawl in the transmission, so ~ O Lcan pull the shift lever out of PARK (P). I 2-32