1996 Chevrolet Astro Owner's Manual - Page 313

Starter Switch 1. Before you start, be sure you have enough room around the vehicle. 2. Firmly apply both the parking brake (see "Parking Brake" in the Index if necessary) and the regularbrake. NOTE: Do not use the accelerator pedal, be ready to turn off the and engine immediately if it starts. 3. Try to start the engine in each gear. The starter should work only in PARK (P) or NEUTRAL (N). If the starterworks in any other position, your vehicle needs service. Brake-Transmission Shift Interlock- BTSI 1. Before you start, be sureyou have enough room around the vehicle. It should beparked on a level surface. 2. Firmly apply the parkingbrake (see "Parking Brake" in the Index if necessary). NOTE: Be ready to apply the regular brakeimmediately if the vehicle begins to move. 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 lever outof PARK (P) with normal effort. If the shift lever moves out of PARK (P), your vehicle's BTSI needs service. 7-37