Subaru B9 TRIBECA Owner's Manual Supplement page 22

Remove the battery cover on the left earpiece by loosening the screw with a flat-
head screwdriver.
S00112
Remove the old batteries and install new ones (two AAA batteries). Pay careful at-
tention to the (+) and (–) marks on the battery case.
Reinstall the cover in position by tightening the screw with a flat-head screwdriver.
S00113
Basic Operations
21