User Manual - Page 99

For 2015 CONVERTIBLE.

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The transmission position D is disengaged.
DSC intervenes.
Maintaining, storing the current speed
Press button 1 or button 3.
The current speed is maintained and stored. It
is displayed briefly in the tachometer.
On downhill gradients, it may prove impossible
to maintain the set speed if the engine braking
power is insufficient. On uphill gradients, it may
prove impossible to maintain the set speed if
the engine power output is insufficient.
Increasing speed
Press button 1 repeatedly until the desired
speed is reached.
Each time the button is pressed, the speed
increases by approx. 1 mph/1 km/h.
Press and hold button 1 until the desired
speed is reached.
The vehicle accelerates without pressure on
the accelerator pedal. After the button is
released, the achieved speed is maintained
and stored.
Decreasing speed
Press button 3 repeatedly or hold it until the
desired speed is reached.
The functions are the same those when the
speed is increased, only that the speed is re‐
duced.
Resuming a speed stored beforehand
Press button 4.
The last stored speed is resumed and main‐
tained.
The stored speed is cleared when the ignition is
switched off.
Display in the tachometer
The selected speed is displayed briefly.
If the display --- mph or --- km/h appears
briefly, conditions may not be adequate to op‐
erate the system.
For better control
The indicator lamp lights up in the
speedometer. Cruise control is ready to
operate and can be activated.
Malfunction
The warning lamp in the tachometer
lights up.
The system is malfunctioning or has
failed.
Park Distance Control
PDC
The concept
PDC provides support when parking in reverse.
Signal tones indicate that the vehicle is ap‐
proaching an object behind it. Measurements
are made by four ultrasound sensors in the
bumpers.
The range of these sensors is approx. 6 ft/2 m.
An acoustic warning is first given:
By the two corner sensors at ap‐
prox. 24 in/60 cm.
Seite 97
Driving comfort
CONTROLS
97
Online Edition for Part no. 01 40 2 961 029 - II/15
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