1998 Buick Riviera Owner's Manual - Page 246
1998 Buick Riviera Manual
Page 246 highlights
Filling Your Tank I Gasoline vaporis 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 buttonis on the driver's door below the inside door handle. I The cap is behind a hinged door onthe left side of your vehicle. 6-5
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