2003 Chevrolet Blazer Owner's Manual - Page 104
2003 Chevrolet Blazer Manual
Page 104 highlights
Leaving Your Vehicle With the Engine Runnir -- 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 you can, it means that the shift lever wasn't fully locked into PARK (P). Torque Lock It can be dangerous to leav -'our vehicle with the engine running. Your vehicle could move suddenly if the shift lever is not fully in set. PARK (P) with the parking brake firmly If you have four-wheel drive, your vehicle will be free to roll even if your lever is in -PARK (P) -- if your transfer case isin NEUTRAL. So be sure the transfer case in a is drive gear -- not NEUTRAL. See ""Four-Wheel Drive (Automatic TransferCase) in the Index. And, if you leave the vehicle with the engine running, it could overheat and even catch fire. You or others could be injured. Don't leave your vehicle with the engine running unless you have to. If you have to leave your vehicle with the engine running, be sure your vehicle is in PARK (P) and your parking brake is firmly set before you leave it. After you've moved the shift lever into PARK (P), hold 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 brake and then shift into PARK (P) properly before you leave the driver's seat. To find out how, see Shifting lnto Park (P) on page 2-35. When you are ready to drive, move the shift lever out of PARK (P) before you release the parking brake. If 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 you can pull the shift lever out of PARK (P). Shifting Out of Park (P) Your vehicle has an automatic transmission shift lock control system. You have to fully apply the regular brakes before you can shift from PARK (P) when the ignition is in RUN. See Automatic Transmission Operation on page 2-23. 2-37