Subaru Forester: Replacing key battery / Replacing transmitter battery
Battery: Button battery CR1620 or
equivalent

- Wrap a flat-head screwdriver with vinyl
tape or a cloth. Open the key head using a
flat-head screwdriver.

- Remove the transmitter case from the
key head.

- Open the transmitter case by releasing
the hooks.

Negative (−) side facing up
- Replace the old battery with a new
battery making sure to install the new
battery with the negative (−) side facing up.
- Put together the transmitter case by
fitting the hooks on the case.
- Reinstall the transmitter case in the
key head.
- Refit the removed half of the key head.
Other information:
California Perchlorate Advisory
Certain vehicle components, such as airbag
modules, seatbelt pretensioners and
keyless entry transmitter batteries, may
contain perchlorate material. Special
handling may apply for service or vehicle
end of life disposal...
To extend the cover, pull the end of the
cover out of the housing, then insert its
hooks into the catches as shown. To
rewind it, unhook it from the catches and
it will rewind automatically. You should
hold on to the cover and guide it back into
the cover housing while it is rewinding...