GM Service Manual Online
For 1990-2009 cars only

Parking the Vehicle Manual Transmission

Before you get out of your vehicle, place the shift lever in REVERSE (R) and firmly apply the parking brake. Turn the ignition key to OFF, press the release button and remove the key. See "Key Release Button" under Ignition Positions for more information.

If you are towing a trailer, see Towing a Trailer .