1997 Chevrolet Cavalier Owner's Manual - Page 352

Brake-Transaxle Shift Interlock (BTSI) Check (Automatic Transaxle) Ignition Transaxle Lock Check While parked, and with the parking brake set, try to turn the ignition key LOCK in each shift lever position. to With an automatic transaxle, the key should turn to LOCK only when the shift is in PARK (P). lever 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 around the vehicle. should be parked on a It level surface. 2. Firmly apply the parking brake (see "Parking Brake" in the Index necessary). if NOTE: Be ready to apply the regular brake immediately if the vehicle begins move. to 3. With the engine off, turn the key to the RUN position, but don't start the engine. Without applying the regular brake, try to move the shift leverof out PARK (P) with normal effort. If the shift lever moves out of PARK (P), your vehicle's BTSI needs service. 0 With a manual transaxle, the key should turn to LOCK only when the shift lever in is REVERSE (R). On vehicles with a key release button, try to turn the key to LOCK without pressing the button. key should The turn to LOCK only when you press the key button. On all vehicles, the key should out only in LOCK. come Turn the steering wheel the left andto the right.It to should only lock when turned to the right.