Turning the ignition key to MAR, the warning light
(if present) on the instrument panel
shall turn on but it should go off after a few seconds.
The warning light on the dial comes on (on certain versions together with the message on the display), with the knurled ring of the cruise control in the ON position, when the device starts to intervene on the engine.
See also:
Eobd - engine control system failure
In normal conditions, turning the ignition key to MAR, the warning light turns
on, but it should go off when the engine has started. The initial turning on indicates
that the warning light is ...
Maintenance Procedures
The pages that follow contain the required maintenance services determined by
the engineers who designed your vehicle.
Besides those maintenance items specified in the fixed maintenance schedule,
...
For checking and restoring pressure only
The compressor can be also used just for restoring pressure. Disconnect the quick
connection and connect it directly to the tyre valve; in this way the cylinder is
not connected to compressor and ...