GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1998 🢒 Riviera 🢒 HVAC 🢒 HVAC Systems - Automatic 🢒 Body Rear End Component Views
Figure 1:

Left Rear of the Vehicle
Object Number: 342857 Size: MF
(1)Fuel Door Release Solenoid
Figure 2:

Center Rear of the Rear Compartment Lid
Object Number: 342897 Size: LF
(1)Rear Compartment Lid
(2)Rear Compartment Lid Release Actuator