Lexus GX460 Manual page 539

The power outlet can be used when
■
The "ENGINE START STOP" switch is in ACCESSORY or IGNITION ON mode.
NOTICE
To avoid damaging the power outlet
■
Close the power outlet lid when the power outlet is not in use. 
Foreign objects or liquids that enter the power outlet may cause a short circuit.
To prevent blown fuse
■
Do not use an accessory that uses more than 12 V 10 A.
To prevent battery discharge
■
Do not use the power outlet longer than necessary when the engine is not running.
GX460_U.S.A. (OM60G24U)
3-7. Other interior features
539
3