Keyless Transmitter Battery

WARNING: This page is about a different car, the 2014 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION: To prevent static electricity damage to the keyless transmitter printed circuit board, touch the steel area of building with hand to discharge static electricity carried on body or clothes before disassembling the keyless transmitter.

Remove the keyless transmitter cover, and take out the transmitter case (A).
NOTE: Use a flat tip screwdriver with protective tape or cloth in order not to damage the components.

Fig 1: Removing Keyless Transmitter Cover
Courtesy of SUBARU OF AMERICA, INC.
Release the claws to open the transmitter case, then remove the battery (A).
CAUTION: Press and hold the battery with a finger in order to prevent it from popping out.

Fig 2: Identifying Keyless Transmitter Battery
Courtesy of SUBARU OF AMERICA, INC.