Low tyre pressure telltale 
When the tyre pressure monitoring system warning indicators are illuminated and warning message displayed on the cluster LCD display, one or more of your tyres is significantly under-inflated.
If either telltale illuminates, immediately reduce your speed, avoid hard cornering and anticipate increased stopping distances. You should stop and check your tyres as soon as possible. Inflate the tyres to the proper pressure as indicated on the vehicle's placard or tyre inflation pressure label located on the driver's side centre pillar outer panel. Then, reset TPMS according TPMS reset procedure.
If you cannot reach a service station or if the tyre cannot hold the newly added air, replace the low pressure tyre with the spare tyre.
The Low Tyre Pressure Telltale will remain on and the TPMS Malfunction Indicator may blink for one minute and then remain illuminated until you have the low pressure tyre repaired and replaced on the vehicle.
In winter or cold weather, the Low Tyre Pressure Telltale may be illuminated if the tyre pressure was adjusted to the recommended tyre inflation pressure in warm weather. It does not mean your TPMS is malfunctioning because the decreased temperature leads to a proportional lowering of tyre pressure.
When you drive your vehicle from a warm area to a cold area or from a cold area to a warm area, or the outside temperature is greatly higher or lower, you should check the tyre inflation pressure and adjust the tyres to the recommended tyre inflation pressure.
Then, reset TPMS according TPMS reset procedure.
The TPMS may not calibrate properly in below conditions.
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You do not reset TPMS properly.
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You do not use original tyres.
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You drive on snowy or slippery roads.
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You rapidly accelerate, decelerate or turn the steering wheel.
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Driving too slow or too fast.
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There is heavier and uneven load on the tyres.
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Spare tyre or snow chains are used.
Low pressure damage
Significantly low tyre pressure makes the vehicle unstable and can contribute to loss of vehicle control and increased braking distances.
Continued driving on low pressure tyres can cause the tyres to overheat and fail.