GM Service Manual Online
For 1990-2009 cars only

Parking the Vehicle Manual Transmission

Before you get out of the vehicle, move the shift lever into R (Reverse), and firmly apply the parking brake. Once the shift lever has been placed into R (Reverse) with the clutch pedal pressed in, you can turn the ignition key to LOCK/OFF, remove the key and release the clutch.

If you are parking on a hill, or if the vehicle is pulling a trailer, see Towing a Trailer .

Evaporation Pump

The vehicle is equipped with a vacuum pump for the fuel evaporation system. This pump performs a fuel evaporation leakage test approximately five hours after the engine is turned off. You may hear a sound coming from underneath the rear cargo compartment for several minutes.

The noise is normal and does not signify a malfunction. See your dealer/retailer with any questions.