See also:

If your vehicle fails a smog-check test
If your vehicle fails a smog-check test, you may make a claim under the Emission Performance Warranty. To do so, take your vehicle to an authorized Lexus dealership and present a copy of the smog ...

Engine
...

Electronic key battery
Replace the battery with a new one if it is depleted.  - You will need the following items: • Flathead screwdriver • Small Phillips-head screwdriver • Lithium battery (CR1632)  - ...