Lexus ES300 2003 Manual page 359

"Driver's side instrument panel
1. Turn the ignition switch off and remove the auxiliary
box.
Determine which fuse may be causing the problem. The
auxiliary box shows the name of the circuit for each fuse.
ELECTRICAL COMPONENTS
2. Make sure the inoperative component is turned off. Pull
the suspected fuse straight out with the pull out tool and
check it. If it has blown, push a new fuse into the clips.
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