See also:

Ignition system
NOTICE  - Iridium-tipped spark plugs Use only iridium-tipped spark plugs. Do not adjust the spark plug gap. ...

Initialization
Items to initialize The following items must be initialized for normal system operation in cases such as after the battery is reconnected, or maintenance is per- formed on the vehicle. ...

Maintenance requirements
To ensure safe and economical driving, day-to-day care and regular maintenance are essential. It is the owner’s responsibility to perform regular checks. Lexus recommends performing the followin ...