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 ...
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Checking the engine coolant level
Look at the see-through coolant reservoir when the engine is cold. The coolant
level is satisfactory if it is between the “FULL” and “LOW” lines on the reservoir.
If the level is low, add ...
Does your vehicle need repairing?
Be on the alert for changes in performance, sounds, and visual tip-offs that
indicate service is needed. Some important clues are as follows:
Engine missing, stumbling, or pinging Appreciable loss ...
Engine immobilizer system
The vehicle’s keys have built-in transponder chips that prevent the engine from starting if a key has not been previously registered in the vehicle’s on-board computer. Never leave the k ...