Maserati Levante Owner's Manual page 247

Based on both time gap, selected by
the driver, and the actual vehicle
speed, ACC calculates the distance to
keep from the vehicle ahead.
If another information covering ADAS
visualization in the main area (textual
pop-ups, NAVI information, phone call,
etc...) are displayed, the ACC time gap
symbol shall be displayed in the top
left corner for the time the ADAS in
the main area is covered (see detail in
picture).
If system does not detect the presence
of any vehicles ahead, only the bars
referred to set time gap will be
displayed.
When system detects the presence of
a vehicle ahead, it is displayed in front
of the bars (see example in the figure).
To increase or decrease the number of
bars, corresponding to the gap from
vehicle ahead, press and release the
distance setting button.
Each press and release of the button
changes the time gap starting from
3 bars (default time) and moving in a
sequential way towards the minimum
distance: 3→2→1→4→3→2→1→4 and so
on.
If there is no vehicle ahead, the vehicle
will maintain the set speed. If a slower
moving vehicle is detected in the same
lane, the system displays the target
vehicle icon before the bars. From that
moment, the system adjusts the vehicle
speed automatically to maintain the
time gap setting, regardless of the set
speed.
The vehicle will then maintain the set
distance until:
• The vehicle ahead accelerates to a
speed above the set speed.
Driver Assistance Systems
• The vehicle ahead moves out of the
lane or view of the sensor.
• The time gap setting is changed.
• The driver disables the system.
The maximum braking applied by ACC
is limited; however, the driver can
always apply the brakes manually, if
necessary. Any time the ACC system
automatically operates the brakes, the
brake lights will turn on as if the driver
was braking.
A Proximity Warning on display will
alert the driver if ACC predicts that
its maximum braking level is not
sufficient to maintain the set time gap.
If this occurs, a visual alert will flash
on the display and a chime will sound
while ACC continues to apply its
maximum braking capacity.
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