1998 Buick Riviera Owner's Manual - Page 272

Bulb Replacement The following procedure tells you how to replace your headlamp bulbs. For any bulb changing procedure not listed this in section, contact your Buick dealer's service department. Exterior Front Bulbs Halogen Bulbs Halogen bulbs have pressurized gas inside and can burst if you drop or scratch the bulb. You or others could be injured. Be sure to read and follow the instructions on the bulb package. A. Headlamp B. Front Turn Signal The entire front headlamp assembly must be removed to replace the headlamps. You may find it easier to remove the air cleaner assembly when replacing bulbs on the driver's side. 6-31