1999 Buick Park Avenue Owner's Manual - Page 264

yellowblue Filling Your Tank CAUTION: Gasoline vapor is highly flammable. It burns violently, and that can cause very bad injuries. Don't smoke if you're near gasoline or refueling your vehicle. Keep sparks, flames and smoking materials away from gasoline. The release button for the fuel door is to the left of the steering column. There is also a manual fuel door release. This mechanism is located in the top of the trunk compartment, on the driver's side of the vehicle. Pull the tab to release the fuel door. The cap is behind a hinged door on the driver's side of your vehicle. 6-6