Lexus RX300 2003 Owner's Manual page 38

1. Remove the screw, and then the cover while pushing it in
the arrow direction.
11R056
2. Remove the module from the key frame.
11R057
3. Remove 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 Replace only with the same or equivalent type
recommended by the manufacturer.
D Dispose of used batteries according to the local laws.
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.
5. Install the lid.
6. Install the module into the key frame and secure the cover
with the screw.
7. When pushing any switch on the wireless key, make sure
the indicator light comes on.
2003 RX300 from Aug. 02' Prod. (OM48442U)