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Driving
WARNING!
Leaving the Adaptive Cruise Control
(ACC) system on when not in use is
dangerous. You could accidentally
activate the system or cause it to go
faster than you want. Always leave
the system off when you are not using
it.
Setting the Speed
When vehicle reaches required
speed, press down and release
the multifunction control (SET -).
The display will show set speed
corresponding to vehicle current one.
5
Speed value will be indicated below
the
green symbol and above the
distance bars, in the center of the
display.
Remove foot from accelerator pedal
and vehicle will continue at set speed.
286
Driver Override
If driver accelerates beyond the set
speed or faster than the car would do
autonomously, the set speed below
the
green light will be blinking
and the time gap bars will vanish
to remember that in this condition
the system cannot control the
distance between vehicle and sensed
vehicle ahead. Vehicle speed will be
determined only by the accelerator
pedal position.
Changing Speed Setting
Once speed is set, driver can increase
or decrease it by respectively pressing
multifunction control up (RES +) or
down (SET -). Speed can be increased
or decreased in two ways:
• Pressing control once, set speed will
increase or decrease by one unit
corresponding to 1 km/h (1 mph).
• Hold the control to increase or
decrease set speed by 10 km/h (5
mph) at a time.
NOTE:
• When pressing the multifunction
control up (RES +) or down (SET -),
the new set speed will be the current
speed of the vehicle.
• When using (SET -) control to
decelerate, if the engine braking
power does not slow down the
vehicle sufficiently to reach the
set speed, the brake system will
automatically slow down the vehicle.
• The ACC system applies the brake
down to a full stop when following
a target vehicle. If an ACC host
vehicle follows a target vehicle to a
standstill, after two-three seconds
the system will not be able to resume
driving the car autonomously. As this
point it is necessary the intervention
of the driver on the multifunction
control (press SET- or RES+) or press
the accelerator pedal (see "ACC
Operation Before and During Stop"
in this chapter).
• The ACC system maintains set speed
when driving up hill and down hill.
However, a slight speed change
on moderate hills is normal. In
addition, downshifting may occur
while climbing uphill or descending
downhill. This is normal operation
and necessary to maintain set speed.
When driving uphill and downhill,
the ACC system will cancel if the
braking temperature exceeds normal
range.
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