Toyota Yaris: Limitations to SRS Air Bag / Limitations to roll-over detection
The following illustration is an example of an accident that may not be
detected as a roll-over accident. Therefore, the front seat belt pretensioners
and curtain air bags may not deploy.
Pitch end over end

Other information:
For reasons of proper performance, safety, and better fuel economy, always
maintain recommended tire inflation pressures and stay within the recommended
load limits and weight distribution.
WARNING
Using Different Tire Types
Driving your vehicle with different types of tires is dangerous...
Seat belts help to decrease the possibility of severe injury
during accidents and sudden stops. Toyota recommends that
the driver and all passengers always wear seat belts.
All of the seat belt retractors are designed to keep the lap/shoulder
belts out of the way when not in use...
Categories
No special break-in is necessary, but a few precautions in the first 600
miles (1,000 km) may add to the performance, economy, and life of
the vehicle.
Do not race the engine.
Do not maintain one constant speed, either slow or fast, for a long
period of time.
Do not drive constantly at full-throttle or high engine rpm for
extended periods of time.
Avoid unnecessary hard stops.
Avoid full-throttle starts.
read more