Operation CHARM: Car repair manuals for everyone.

Battery Replacement





(1) Separate the transmitter at the middle seam.

(2) Remove and discard the old batteries.

(3) Install the replacement CR 2016 batteries. Be sure the batteries are positioned according to polarity as indicated on the transmitter battery receptacles.

(4) Assemble the transmitter and verify the correct battery installation. The voltage indicator Tight will glow when the batteries are properly installed.