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:
DESCRIPTION Refer to DTC C05001F. Click here
DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from C050023 Left Front Wheel Speed Sensor Signal Stuck Low Any of the following is detected:
When the +BS terminal voltage is 17...
DESCRIPTION When an internal malfunction is detected in the certification ECU (smart key ECU assembly), this DTC is stored. DTC No. Detection Item DTC Detection Condition Trouble Area B278C87 Power Source Control System Missing Message An internal malfunction occurs in the certification ECU (smart key ECU assembly)...
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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.
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