2009 Pontiac G5 Owner's Manual - Page 239

Parking on Hills If parking the rig on a hill: 1. Press the brake pedal, but do not shift into P (Park) yet for an automatic transmission, or into gear for a manual transmission. Turn the wheels into the curb if facing downhill or into traffic if facing uphill. 2. Have someone place chocks under the trailer wheels. 3. When the wheel chocks are in place, release the regular brakes until the chocks absorb the load. 4. Reapply the regular brakes. Then apply the parking brake, and then shift into P (Park) for an automatic transmission or R (Reverse) for a manual transmission. 5. Release the brake pedal. { CAUTION: Parking the vehicle on a hill with the trailer attached can be dangerous. If something goes wrong, the rig could start to move. People can be injured, and both the vehicle and the trailer can be damaged. When possible, always park the rig on a flat surface. 4-37