Subaru Crosstrek Manuals 2018 Crosstrek Owner's Manual | Page 428

11-44 Maintenance and service/Replacing key battery & Replacing transmitter battery Battery: Button battery CR1620 or equivalent 2. Remove the transmitter case from the key head. 1. Wrap a flat-head screwdriver with vinyl tape or a cloth. Open the key head using a flat-head screwdriver. 3. Open the transmitter case by releasing the hooks. 1) Negative (−) side facing up 4. Replace the old battery with a new battery making sure to install the new battery with the negative (−) side facing up. 5. Put together the transmitter case by fitting the hooks on the case. 6. Reinstall the transmitter case in the key head. 7. Refit the removed half of the key head.