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:
Operating range
The system notifies the driver of another
vehicle approaching from either side when
driving in reverse. This feature helps the
driver check the rear and side areas of the
vehicle when moving backward.
If the system detects a vehicle approaching
from either side while moving backward,
it warns the driver of dangers in the
following way...
Status Indicators
Within five seconds after programming a
new HomeLink button, both of HomeLink’s
garage door status indicators will flash
rapidly green indicating that the garage
door two-way communication has been
enabled. If your garage door status indicators
flashed, two-way communication
programming is complete...