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STARTING AND DRIVING
* Option/accessory.
284
With manual transmission, the function works
only on first gear and reverse gear.
With automatic transmission, gear 1 must be
selected in manual gearshift mode (+S-), or R
must be selected. This is indicated by the number
1 or R in the combined instrument panel, see
Automatic gearbox - Geartronic* (p. 278).
NOTE
HDC cannot be activated on an automatic
gearbox when the gear selector is in position
D.
Operation
HDC allows the car to roll at a maximum of
10 km/h (6 mph) forwards with engine braking
and 7 km/h (4 mph) backwards. However, any
speed within the gear's speed register can be
selected using the accelerator pedal. When the
accelerator pedal is released, the car is braked
quickly to 10 or 7 km/h (6 or 4 mph) respec-
tively, irrespective of the hill's gradient and with-
out the need for the foot brake.
The brake lights come on automatically when the
function is operating. The driver can brake or stop
the car at any time by using the foot brake.
HDC is deactivated:
•
with the centre console's On/Off button
•
if a gear other than 1 or R is selected on a
manual gearbox
•
if a gear other than 1 or R is selected in
manual gearshift mode on an automatic
gearbox.
The function can be disengaged at any time. If it
takes place on a steep downhill gradient then the
braking effect will not release directly, but slowly
instead.
NOTE
With HDC activated you may experience a
delay between acceleration pedal activation
and engine response.
Related information
•
All-wheel drive - (AWD)* (p. 282)
•
Automatic gearbox - Geartronic* (p. 278)
•
Manual gearbox (p. 276)
Start/Stop*
Some engine and gearbox combinations come
fitted with a Start/Stop function which engages
in the event of e.g. stationary traffic or waiting at
traffic lights - the engine is then switched off
temporarily and restarts automatically when the
journey is due to continue.
Environmental care is one of Volvo Car Corpora-
tion's core values and it influences all of our
operations. This target orientation has resulted in
several separate energy-saving functions of
which Start/Stop is one, all with the collective
task of reducing fuel consumption, which in turn
helps to reduce exhaust emissions.
General information on Start/Stop
The engine is switched off - it becomes quieter and
cleaner.
The Start/Stop function gives the driver the
opportunity for a more active environmentally
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