Buick 2004 Rendezvous - Manual (Page 434)

Underhood Fuse Block
This fuse block is located in the engine compartment,
on the passenger’s side of the vehicle. See Engine
Compartment Overview on page 5-12 for more
information on location.
The back-up lamp relay (A) is located to the left of the
underhood fuse block.
To remove the cover, press the two tabs in and lift up
the cover.
5-112