Where is the heater fan motor located on 1998 Buick Riviera?

The heater fan motor on a 1998 Buick Riviera is located inside the passenger compartment, specifically under the dashboard on the passenger side. To access it, you typically need to remove the lower dashboard panel. The motor is situated near the blower assembly, connected to the HVAC system. Make sure to disconnect the battery before attempting any repairs for safety.