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:
Power outlet
The power outlet is designed for power supply for car accessories. To use
the power outlet, open as shown in the illustration.
The key must be in the “ACC” or “ON” position for the powe ...
Suspension and chassis
CAUTION.
Do not modify the suspension/chassis with lift kits, spacers, springs, etc. It
can cause dangerous vehicle handling characteristics, resulting in loss of control.
...
Front passenger occupant classification system
Your vehicle is equipped with a front passenger occupant classification system. This system detects the conditions of the front passenger seat and activates or deactivates the devices for front pass ...