Lexus 2003 SC430 Owner's Manual page 283

IN CASE OF AN EMERGENCY
(g) Closing the roof panel fully
40sa17
" 1 Service hole cover
1. Remove the service hole cover from the roof head
lining using a flat–bladed screwdriver or equivalent.
266
2 Drive gear shaft
40sa18
" 1 Drive gear shaft
2 Hook
2. Insert the wrench tip into the drive gear shaft and turn
the wrench about one turn counterclockwise as viewed
from the bottom. Make sure the hook protrudes from the
roof panel.
NOTICE
Do not turn the wrench further after it rotates one turn
and stops.