Page 203 of 323

Driving and operating201If equipped only with front camera the
active emergency braking operates in
forward gear above walking speed up to 80 km/h.
If equipped with radar sensor, active
emergency braking operates in
forward gear at all speeds above
walking speed. Only front pedestrian
protection is active up to 80 km/h.
Activation A precondition is that Forward
Collision System and Front
pedestrian detection are not
deactivated in the vehicle
personalisation menu 3 124.
Brake preparation system When approaching a vehicle ahead
or a pedestrian so quickly that a
collision is likely, the brake
preparation system slightly
pressurises the brakes. This reduces
the response time, when a manual or
automatic braking is requested.Emergency automatic braking
After activation of brake preparation
system and just before the imminent
collision, this function automatically
applies limited braking to reduce the
impact speed of the collision or
prohibit a crash.
If active emergency braking is
applied, a message appears in the Driver Information Center and a
chime sounds.
Depending on the situation, the
vehicle may automatically brake
moderately or hard. This front
automatic braking can only occur if a
vehicle ahead is detected, indicated by the vehicle ahead indicator A
3 196. On vehicles with front
pedestrian protection, front automatic
braking can also occur when a
pedestrian ahead is detected.
Below a speed of 40 km/h the system can apply full braking.
Emergency automatic braking may slow the vehicle to a complete stop to
try to avoid a potential crash. If this
happens, emergency automatic
braking may engage the electricparking brake to hold the vehicle at a
stop. To release press the electric
parking brake button or firmly press
the accelerator pedal.9 Warning
Emergency automatic braking is
an emergency crash preparation
feature and is not designed to
avoid crashes. Do not rely on the
system to brake the vehicle.
Emergency automatic braking will
not brake outside of its operating speed range and only responds to
detected vehicles and
pedestrians.
Forward looking brake assist
In addition to the brake preparation
system and emergency automatic
braking, the forward looking brake
assist function makes the brake assist more sensitive. Therefore, pressing
the brake pedal less strongly results
in immediate hard braking. This
function helps the driver brake
quicker and harder before the
imminent collision.
Page 210 of 323

208Driving and operatingGSi models only
In vehicles with automatic
transmission, the driver must control
acceleration and gear shifting, while
braking and steering is done
automatically.
Advanced parking assist is always
combined with front-rear parking assist. Both systems use the same
sensors in the front and rear bumper.
The system has six ultrasonic parking sensors each in both the rear and
front bumper.
Activation of advanced parking assist
Advanced parking assist can only be
activated when driving forwards.
When searching for a parking slot, the system is ready to operate with a
short press of (.
The system recognises and
memorises 10 m for parallel parking
slots or 6 m for perpendicular parking
slots in the parking assist mode.
The system can only be activated and
searches for a parking slot at a speed
up to 30 km/h.
Advanced parking assist may not be
activated when driving on very steep
inclines.
FunctionalityParking slot searching mode,
indication in the Driver Information
Centre
Select parallel or perpendicular
parking slot in Driver Information
Centre by long press on (.
The system is configured to detect parking slots by default on the
passenger side. To detect parking
slots on the driver side, switch on turn
lights on the driver side.
Page 263 of 323

Vehicle care261GSi with Michelin Pilot Super Sport or
Pilot Sport 4 S tyres
This model is factory-fitted with high
performance sports tyres, which have
a reduced performance at low
temperature.9 Danger
Use winter tyres at temperatures
below 0 °C, otherwise damage of
the high performance sports tyres
is possible.
Tyre designations
E.g. 215/60 R 16 95 V
215:tyre width, mm60:cross-section ratio (tyre height
to tyre width), %R:belt type: RadialRF:type: RunFlat16:wheel diameter, inches95:load index e.g. 95 is equivalent
to 690 kgV:speed code letter
Speed code letter:
Q:up to 160 km/hS:up to 180 km/hT:up to 190 km/hH:up to 210 km/hV:up to 240 km/hW:up to 270 km/h
Choose a tyre appropriate for the
maximum speed of this vehicle. Refer
to the EEC Certificate of Conformity
provided with the vehicle or other
national registration documents.
Optional equipment could reduce the
maximum speed of the vehicle.
Directional tyres
Directional tyres should be mounted
so that they rotate in the correct
direction. The proper rotation
direction is indicated by a symbol (e.g. an arrow) on the sidewall.
Tyre pressure
Check the pressure of cold tyres at
least every 14 days and before any
long journey. Do not forget the spare
wheel.
This also applies to vehicles with tyre pressure monitoring system.
Tyre pressure 3 298.
The tyre pressure information label
on the left door frame indicates the
original equipment tyres and the
correspondent tyre pressures.
The tyre pressure data refers to cold
tyres. It applies to summer and winter tyres.
Always inflate the spare tyre to the
pressure specified for full load.
The ECO tyre pressure serves to
achieve the smallest amount of fuel
consumption possible.
Make sure tyre loading setting
matches the current tyre pressure.
Tyre loading 3 262.
Page 322 of 323

320Traffic sign assistant...........111, 220
Trailer coupling ........................... 231
Trailer stability assist .................234
Trailer towing ............................. 231
Transmission ............................... 17
Transmission display .................169
Tread depth ............................... 264
Trip odometer ............................ 102
Turn lights .......................... 105, 140
Tyre chains ................................ 266
Tyre designations ......................261
Tyre pressure ............................ 261
Tyre pressure monitoring system ............................. 109, 262
Tyre pressures ........................... 298
Tyre repair kit ............................. 266
U
Upholstery .................................. 281
Uplevel display ........................... 112
USB port ....................................... 93
Using this manual ..........................3
V
Valet mode ................................. 118
Vehicle battery ........................... 241
Vehicle checks............................ 237
Vehicle data ................................ 288
Vehicle data recording and privacy ..................................... 312
Vehicle detected ahead ..............111Vehicle dimensions .................... 296
Vehicle identification number ....286
Vehicle jack ................................ 259
Vehicle messages .....................123
Vehicle personalisation .............124
Vehicle security ............................ 34
Vehicle specific data ......................3
Vehicle storage ........................... 236
Vehicle tools ............................... 259
Vehicle unlocking ........................... 6
Ventilating ..................................... 54
W
Warning chimes .........................123
Warning lights ............................. 101
Warning triangle .......................... 83
Washer and wiper systems .........14
Washer fluid ............................... 240
Wheel changing .........................271
Wheel covers ............................. 265
Wheels and tyres .......................260
Windows ....................................... 40
Windscreen................................... 40
Windscreen wiper and washer ....89
Winter tyres ............................... 260
Wiper blade replacement ..........243
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