1997 Chevrolet Blazer Owner's Manual - Page 367

Starter Switch Check Brake-"kansmission Shift Interlock(BTSI) Check (Automatic Transmission) A CAUTION: When you are doing this check, the vehicle could move suddenly. If it does, you orothers could be injured. Follow the steps below. 1. Before you start, be sure you have enough room around the vehicle. I A CAUTION: When you are doing thischeck, the vehicle could move suddenly.If it does, youor others could be injured. Follow the steps below. '. 2. Firmly apply both the parking brake (see "Parking Brake" in the Index if necessary) and the regular brake NOTE: Do not use the accelerator pedal. and be ready to turn off the engine imnlediately if it starts. 3. On automatic transmission vehicles. try to start the engine in each gear. The starter should work only in PARK (P) or NEUTRAL (N). the starter works in If any other position. your vehicle needs service. On manual transmission vehicles. put the shift lever in NEUTRAL (N), push the clutch down halfway and try to start the engine. The starter'shoLlld work only when the clutch is pushed down all the way to the floor. If the starter works when the clutch isn't pushed all the way down. your vehicle needs service. Before you start, be sure you have enough room around the vehicle. It should be parked o n a level surface. 2. Firmly apply the parking brake (see "Parking Brake'' in the Index if necessary). NOTE: Be ready to apply the regular brake immediately if the vehicle begins to move. 3 . With the engine off. turn the key to the R U N position, but don't start the engine. Without applying the regular brake. try to move the shift lever out of PARK (P) with normal effort. If the shift lever moves out of PARK (P), your vehicle's BTSI needs service. 7-48