See also:

Light bulbs
You may replace the following bulbs yourself. The difficulty level of replacement varies depending on the bulb. If necessary bulb replacement seems difficult to perform, contact your Lexus dealer. ...

DAC (Downhill Assist Control system)
The DAC helps to prevent excessive speed on steep downhill slopes. The system will operate when the vehicle is traveling under 15 mph (25 km/h) and the four-wheel drive control switch is in the L4 ...

Intuitive Parking Assist
Wide View Front & Side Monitor∗ ON/OFF The indicator light comes on to inform the driver that the system is operational. For details, see the “Owner’s Manual”. ...