See also:

If you lose your keys
New genuine Lexus keys can be made by your Lexus dealer using the other key and the key number stamped on your key number plate. ...

Trailer towing (2WD models and AWD models without towing package)
Lexus does not recommend towing a trailer with your vehicle. Lexus also does not recommend the installation of a tow hitch or the use of a tow hitch carrier for a wheelchair, scooter, bicycle, etc. ...

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