Fiat Fullback Single cab Owner's Manual page 195

To decrease the set speed
By using the SET - switch
Push down the SET - switch (B).
Then the set speed displayed in the
combination meter is gradually
decreased. If the set speed reaches to
your desired speed, release the SET -
switch (B).
Type 1
324
Type 2
325
The set speed decrease each
approximately 5 km/h. If a driver wants
to decrease the set speed a little, press
SET - switch (B) and release it. The set
speed is decreased 1 km/h each taps.
AA0113784
By using the CANCEL switch, the
service brake and the SET - switch
Press the CANCEL switch (D) to
deactivate the Speed Limiter. Control
state "LIMIT" is disappeared and
change control state "LIMIT OFF" in the
combination meter.
Type 1
AHA110523
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Type 2
327
AHA110578
AHA114303
193