Lexus ES300 Owner's Manual page 35

1. Remove the screw, and then the cover while pushing it in the
arrow direction.
2. Remove the module from the key frame.
KEYS AND DOORS
3. Remove the 2 screws to take out the lid of the module.
4. Take out the discharged battery and put a new battery with
the positive side up.
NOTICE
D Make sure the positive side and negative side of the
battery should be faced correctly.
D Do not replace the battery with wet hands. Water may
cause unexpected rust.
D Do not touch or move any components inside of the
transmitter, or it may interfere with proper operation.
D Be careful not to bend the electrode of the battery
insertion and that dust or oils do not adhere to the
inside of the module.
D Take care not to lose the screws.
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