See also:

What is not covered
These warranty obligations do not apply to failures or noncompliance caused by: ʉۢ The use of replacement parts not certified in accordance with aftermarket parts certification regulation ...

If the electronic key does not operate properly
■Unlocking and locking the doors To unlock or lock the vehicle, use the mechanical key. The mechanical key is stored inside the electronic key. 1 Unlocks 2 Locks ■Starting the en ...

Maintenance and Lexus Warranty Coverage
Maintaining your vehicle according to the recommendations in this booklet is required to ensure that your warranty coverage remains intact. You should keep detailed records of vehicle maintenance, ...