Toyota 2015 Sienna Manual page 179

Auto anti-glare inside rear view mirror

Responding to the level of brightness of the headlights of vehicles
behind, the reflected light is automatically reduced.
Changing
function mode
On/off
When the automatic anti-glare
function is in on mode, the indica-
tor illuminates.
The function will set to on mode
each time the engine switch is
turned to "ON" position (vehicles
without a smart key system) or
IGNITION ON mode (vehicles with
a smart key system).
Pressing the button turns the function to off mode. (The indicator also turns
off.)
■
To prevent sensor error (vehicles with auto anti-glare inside rear view
mirror)
To ensure that the sensors operate prop-
erly, do not touch or cover them.
WARNING
Do not adjust the position of the mirror while driving.
Doing so may lead to mishandling of the vehicle and cause an accident,
resulting in death or serious injury.
SIENNA_OM_01999-08001_(U)
3-4. Adjusting the steering wheel and mirrors
automatic anti-glare
179
Indicator
3