Kenmore 75180 - 18,000 BTU Room Air Conditioner Owner's Manual page 14

HOW TO INSERT BATTERIES INTO REMOTE CONTROL
1. Remove the cover from the back of the remote
controller.
eOpen the cover according to the arrow direction on the
cover.
2. Insert two batteries.
eBe sure that the (+) and (-) directions are correct.
oBe sure that both batteries are new.
3. Re-attach the cover.
oDe not use rechargeable batteries.
Such batteries differ from standard dry cells in shape,
dimensions, and performance.
eRemove the batteries from the remote controller if the air
conditioner is not going to be used for an extended
length of time.
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