Fiat 500 Manual page 89

WARNING
51) Go to a Fiat Dealership as soon as possible if the warning light does not light up when the key is turned to MAR or if while travelling the
warning light switches on or flashes (along with a message and a symbol on the display on some versions). The operation of the warning
light may be checked by the traffic police using specific devices. Comply with the laws and regulations of the country where you are driving.
52) The flashing warning light on indicates possible warning light faults. In this case, the warning light may not indicate a possible
problem with the airbag restraint system. Contact a Fiat Dealership immediately to have the system checked.
53) If the system signals a pressure drop on a specific tyre, it is recommended to check the pressure on all four tyres. The iTPMS does not
relieve the driver from the obligation to check the tyre pressure every month; it is not to be considered a system to replace servicing or a safety
system. Tyre pressure must be checked with tyres cold. Should it become necessary for whatever reason to check pressure with warm tyres,
do not reduce pressure even though it is higher than the prescribed value, but repeat the check when tyres are cold.
54) The iTPMS cannot indicate sudden tyre pressure drops (for example when a tyre bursts). In this case, stop the vehicle, braking with
caution and avoiding abrupt steering. The system only warns that the tyre pressure is low: it is not able to inflate them. Insufficient tyre inflation
increases fuel consumption, reduces the tread duration and may affect the capacity to drive safely.
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