1998 Pontiac Grand Prix Owner's Manual - Page 361

Starter Switch Check 1 - Brake-Transaxle Shift Interlock (BTSI) Check raround the vehicle. A CAUTION: When youare doing this check, the vehicle could move suddenly.If it does,you or others could be injured. Follow the steps below. 1. Before you start, be sure you have enough room around the vehicle. It should be parked on a level surface. When you are doing this check, the vehicle could move suddenly.If it does,you or others could be injured. Follow the steps below. 1. Before you start, be sure you have enough room 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 immediately it starts. if 2. Firmly apply the parking brake (see "Parking Brake" in the Index if necessary). NOTE: Be ready to apply regular brake the immediately if the vehicle begins to move. 3. Try to start the engine in each gear. The starter 3. With the engineoff, turn the key to the RUN should work onlyin PARK (P) orNEUTRAL (N). If position, but don't start the engine. Without applying the starter works in any other position, your vehicle the regular brake,try to move the shift lever out of needs service. with normal effort.If the shift lever PARK (P) moves out of PARK (P), your vehicle's BTSI needs service. 7-16