Toyota Lexusc Owner's Handbook Manual page 435

AUDIO
D Close the power outlet lid when the power outlet is
not in use. Inserting a foreign object other than the
appropriate plug that fits the outlet may cause
electrical failure or short circuit.
The power outlet is not designed for the following electric
appliances even though their power consumption is
under 115 VAC/100W. These appliances may not operate
properly.
D Appliances with high initial peak wattage: Cathode-ray
tube type televisions, compressor-driven refrigerators,
electric pumps, electric tools, etc.
D Measuring devices which process precise data: Medical
equipment, measuring instruments, etc.
D Other appliances requiring an extremely stable power
supply: Microcomputer-controlled electric blankets, touch
sensor lamps, etc.
Certain electrical appliances may cause radio noise.
416
Headphone input jacks
You can enjoy the rear seat entertainment system with
commercial headphones.
To use the headphones, connect them to the jack.
The key must be in the "ACC" or "ON" position.