BYD e2 Owner's Manual page 189

188 6-3 Self-maintenance
Tire inflation
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Maintain the tires under normal pressure to provide the best combination of
maneuverability, service life of the tires and driving comfort.
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The use of under-inflated tires may cause uneven tire wear and can affect handling
and fuel consumption, and even cause air leakage due to overheating.
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The use of over-inflated tires may reduce the driving comfort, and damage the tires
due to uneven road surface; in severe cases, it may cause a risk of deflated tire,
resulting in a significant accident. In addition, it will result in non-uniform wear of tires
to shorten the lives of tires.
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Under cold state of tires (The vehicle is equipped with tire pressure monitoring system),
determine whether the supplemental inflation is required for the tires based on the tire
pressures displayed on the instrument.
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The tire pressure should be measured when the tire is under cold status. It means that
the tire pressure should be measured after at least three hours from parking. If the car
must be driven before measuring the tire pressure, the driving distance does not
exceed 1.6km, which still be considered as the tires are under cold status.
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If the tire pressure is checked under hot status (after driving for several kilometers),
the pressure reading may be 30~40kPa (0.3~0.4kgf/cm
under the cold status, which is normal. Do not deflate the tire to the specified pressure
reading under cold status; otherwise, it may cause that the tire pressure is insufficient.
Tip
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The recommended cold tire pressure is indicated on the recommended tire pressure
label (Affixed on the driver's door frame).
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A tubeless tire incorporates the self-sealing function once being punctured.
However, the air leakage is commonly really slow. Therefore, once the tire starts
pressure drop, carefully find out the air leaking point.
2
) higher than the readings