Toyota 2008 Camry Owner's Manual page 181

2-3. Operating the lights and wipers
The headlights can be operated automatically when
n
Vehicles with smart key system
The "ENGINE START STOP" switch is in IGNITION ON mode.
Vehicles without smart key system
The engine switch is in "ON" position.
n Daytime running light system
To make your vehicle more visible to other drivers, the headlights turn on
automatically (at a reduced intensity) whenever the engine is started and the
parking brake is released. Daytime running lights are not designed for use at
night.
For U.S.A.: Daytime running lights can be turned off by operating the switch.
n Headlight control sensor
154
The sensor may not function properly if
an object is placed on the sensor, or any-
thing that blocks the sensor is affixed to
the windshield.
Doing so interferes with the sensor
detecting the level of ambient light and
may cause the automatic headlight sys-
tem to malfunction.