Lexus SC 430 2004 Manual page 37

KEYS AND DOORS
11L030-1
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 are 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 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 and O-ring.
5. Install the lid with 2 screws.
18
NOTICE
Take care not to damage or bend the O-ring when
installing.
6. Install the module into the key frame and secure the cover
with the screw.
7. When pushing any button on the wireless key, make sure
the indicator light comes on.