The following tire grading categories were established by the National Highway Traffic Safety Administration. The specific grade rating assigned by the tire’s manufacturer in each category is shown on the sidewall of the tires on your vehicle.
All passenger car tires must conform to Federal safety requirements in addition to these grades.
See also:
Fluid Capacities
...
Operation
Each time the car is started turning the ignition key to MAR, the Fiat CODE system
control unit sends a recognition code to the engine control unit to deactivate the
inhibitor.
The code is sent o ...
Front passenger's airbag deactivated
(amber)
Warning light comes on when front
passenger’s air bag is deactivated.
With front passenger’s air bag on, turning the ignition key to MAR, warning light
comes on steadily for about 4 s ...