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:
..
When the alarm system is armed, it is
triggered by the opening any of the doors,
the rear gate or engine hood.
The alarm system will activate the following
alarms when triggered.
The vehicle’s horn will sound for 30
seconds.
The hazard warning flashers will flash
for 30 seconds...