Toyota LEXUS LS430 2005 Manual page 62

11L228
1. While sliding the lock switch using your finger, remove the
cover on the side of the key using a special screwdriver.
11L226
2. Remove the module from the main frame.
11L162
3. Pull the battery base out of the module using a special
screwdriver.
11L163
4. Remove the battery base from the module.
5. Take out the discharged battery and put a new battery with
the positive side up.
KEYS AND DOORS
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