Before using the Remote Control
The CR2032 lithium battery is already installed in the remote control. Pull out the small mylar insulation tab as shown in the illustration to begin using the remote control.
EN
PULL
Make sure that you have removed the mylar insulation tab from the remote control. 
Battery Replacement
When the remote operation becomes weak or intermittent, it is time to replace the remote control battery. Pull out the battery holder, remove the old battery and install a new CR2032 battery in the holder as shown in the illustration. Slide the holder back into the remote control.
CR
2
0
32
7