Removal
Left side cover
Identify the left side cover highlighted in blue.
Loosen the captive screw that secures the left side cover latch to the chassis.
Pull on the left side cover latch to release the left side cover from the chassis.
Remove and lift the left side cover from the chassis.
Coin cell battery
Identify the coin cell battery highlighted in blue.
Push the release lever on the coin cell battery socket to release it from the socket.
Remove the coin cell battery.
Install
Coin cell battery
Identify the coin cell battery location highlighted in blue.
Insert the coin cell battery into the socket with the positive side (+) label facing up.
Snap the battery in the socket.
Left side cover
Identify the side cover location highlighted in blue.
Slide the bottom edge of the left side cover into the chassis.
Push the left side cover into place.
Tighten the captive screw that secures the left side cover latch to the chassis.