Toyota 2013 Avalon Hybrid Owner's Manual page 305

Compass
The compass on the inside rear view mirror indicates the direc-
tion in which the vehicle is heading.
■
Operation
To turn the compass on or off,
press the switch for more than 3
seconds.
AVALON_HV_U (OM41451U)
∗
5-5. Other interior features
325
5
∗
: If equipped