2003 Buick Park Avenue Owner's Manual - Page 240

If you put things inside your vehicle - like suitcases, tools, packages, or anything else - they will go as fast as the vehicle goes. If you have to stop or turn quickly, or if there is a crash, they'll keep going. Don't leave an unsecured child restraint in your vehicle. When you carry something inside the vehicle, secure it whenever you can. Things you put inside your vehicle can strike and injure people in a sudden stop or turn, or in a crash. Put things in the trunk of your vehicle. In a trunk, put them as far forward as you can. Try to spread the weight evenly. Never stack heavier things, like suitcases, inside the vehicleso that some of them are above the tops of the seats. I Automatic Level Control This feature keeps the rear of your vehicle level as the load changes. It's automatic - you don't need to adjust anything. i CAUTION: (Continued) 4-35