When the range of the remote seems reduced or if it ceases to work properly, it's time to replace the battery. 1. Slide battery compartment cover on rear of remote control off [remove old battery if replacing). 2. Place new CR2032 in battery well as shown [make sure +/- polarity matches markings). 3. Replace battery compartment cover. WARNING: Lith ium batteries can explode or cause burns if disassembled, shorted, recharged, exposed to water, fire, or high temperatures. Do not place loose ba