Subaru 2002 IMPREZA Service Manual page 2348

STOP LIGHT SWITCH
BRAKE
D: ADJUSTMENT
Loosen the lock nut, and adjust the stop light switch
position until the clearance between threaded end
of stop light switch and stopper becomes 0.3 mm
(0.012 in). Then, tighten the lock nut.
B4M0617E
BR-70