Toyota Yaris: Items to initialize
The following items must be initialized for normal system operation after such cases as the battery being reconnected, or maintenance being performed on the vehicle:

Customizable features
Your vehicle includes a variety of electronic features that can be personalized
to suit your preferences. Programming these preferences requires specialized equipment
and may be performed by your ...
See also:
Installing snow tires and chains
WHEN TO USE SNOW TIRES OR CHAINS
Snow tires or chains are recommended when driving on snow or ice.
On wet or dry roads, conventional tires provide better traction than snow tires.
SNOW TIRE SEL ...
Replacing battery
For replacement, use a CR2016 lithium battery or equivalent and a flathead screwdriver
or equivalent.
CAUTION.
Special care should be taken to prevent small children from swallowing the removed
...
Headlight switch
The headlights can be operated manually.
Turning the end of the lever turns on the lights as follows:
Type A
OFF
Vehicles with daytime running light system: The daytime running lights turn on. ...