
128Instruments and controlsOnStar
OnStar is a personal connectivity and service assistant with integrated
Wi-Fi hotspot. The OnStar service is
available 24 hours a day, seven days
a week.
Notice
OnStar is not available for all
markets. For further information,
contact your workshop.
Notice
In order to be available and
operational, OnStar needs a valid
OnStar subscription, functioning
vehicle electrics, mobile service and
GPS satellite link.
To activate the OnStar services and
set up an account, press Z and speak
with an advisor.
Depending on the equipment of the vehicle, the following services areavailable:
● Emergency services and support
in the case of a vehicle
breakdown
● Wi-Fi hotspot● Smartphone application
● Remote control, e.g. location of the vehicle, activation of horn andlights, control of central lockingsystem
● Stolen vehicle assistance
● Vehicle diagnostics
● Destination download
Notice
The OnStar module of the vehicle is
deactivated after ten days without an
ignition cycle. Functions requiring a
data connection will be available
again after switching on the ignition.
OnStar buttonsPrivacy button
Press and hold j until a message is
heard to activate or deactivate the
transmission of the vehicle location.
Press j to answer a call or to end a
call to an advisor.
Press j to access the Wi-Fi settings.
Service button
Press Z to establish a connection to
an advisor.
SOS button
Press [ to establish a priority
emergency connection to a specially
trained emergency advisor.
Status LED
Green: The system is ready.
Green flashing: The system is on a
call.
Red: A problem arose.
Off: System is in standby mode.
Red / green flashing for a short period of time: Transmission of the vehicle
location has been deactivated.

130Instruments and controlsThe following functions are available:● Lock or unlock vehicle.
● Provide information on the vehicle location.
● Honk horn or flash lights.
Stolen vehicle assistance
If the vehicle is stolen, report the theft to the authorities and request OnStar
stolen vehicle assistance. Use any
phone to call an advisor. Find the respective OnStar phone number on
our country-specific website.
OnStar can provide support in
locating and recovering the vehicle.Theft alert
When the anti-theft alarm system is triggered, a notification is sent to
OnStar. You are then informed about
this event by text message or email.Restart prevention
By sending remote signals, OnStar
can prevent the vehicle from
restarting once it has been turned off.On-demand diagnostics
At any time e.g. if the vehicle displays a vehicle message, press Z to
contact an advisor and ask to
complete a real-time diagnostic check
to directly determine the issue.
Depending on the results, the advisor
will provide further support.
Diagnostic report
The vehicle automatically transmits
diagnostic data to OnStar which
sends a monthly email report to you
and your preferred workshop.
Notice
The workshop notification function
can be disabled in your account.
The report contains the status of key
operating systems of the vehicle like
engine, transmission, airbags, ABS,
and other major systems. It also
provides information on possible
maintenance items and tyre pressure (only with tyre pressure monitoring
system).
To look at the information in greater
detail, select the link within the email
and log in to your account.Destination download
A desired destination can be directly
downloaded to the navigation system.
Press Z to call an advisor and
describe the destination or point of
interest.
The advisor can look up any address
or point of interest and directly send
the destination to the built-in
navigation system.
OnStar settings
OnStar PIN
To have full access to all OnStar
services, a four-digit PIN is required. The PIN has to be personalised when first talking to an advisor.
To change the PIN, press Z to call an
advisor.
Account data
An OnStar subscriber has an account
where all the data is stored. To
request a change of the account
information, press Z and talk to an
advisor or log in to your account.

Instruments and controls131If the OnStar service is used on
another vehicle, press Z and request
that the account be transferred to the new vehicle.
Notice
In any case, if the vehicle is disposed
of, sold or otherwise transferred,
immediately inform OnStar about
the changes and terminate the
OnStar service on this vehicle.
Vehicle location
The vehicle location is transmitted to OnStar when service is requested ortriggered. A message on the Info-
Display informs about this
transmission.
To activate or deactivate the
transmission of the vehicle location,
press and hold j until an audio
message is heard.
The deactivation is indicated by the
status light flashing red and green for a short period of time and each time
the vehicle is started.
Notice
If the transmission of the vehicle
location is deactivated, some
services are no longer available.Notice
The vehicle location always remains
accessible to OnStar in the case of
an emergency.
Find the privacy policy in your
account.
Software updates
OnStar may remotely carry out software updates without further notice or consent. These updates are
to enhance or maintain safety and
security or the operation of the
vehicle.
These updates may concern privacy
issues. Find the privacy policy in your account.

Driving and operating153Driving and
operatingDriving hints ............................... 154
Control of the vehicle ...............154
Steering ................................... 154
Starting and operating ...............154
New vehicle running-in ............154
Ignition switch positions ...........154
Power button ........................... 155
Retained power off ..................156
Starting the engine ..................157
Overrun cut-off ........................ 159
Stop-start system ....................159
Parking .................................... 162
Engine exhaust .......................... 164
Diesel particle filter ..................164
Catalytic converter ...................165
Automatic transmission ..............165
Transmission display ...............165
Selector lever .......................... 166
Manual mode ........................... 167
Electronic driving programmes 167
Fault ........................................ 168
Interruption of power supply ....168
Manual transmission ..................169Manual transmission automa‐
ted .............................................. 169
Transmission display ...............170
Selector lever .......................... 170
Manual mode ........................... 171
Electronic driving programmes 171
Fault ........................................ 172
Brakes ........................................ 172
Antilock brake system .............172
Parking brake .......................... 173
Brake assist ............................. 175
Hill start assist ......................... 175
Ride control systems .................175
Traction Control system ..........175
Electronic Stability Control ......176
Sport mode .............................. 177
Driver assistance systems .........178
Cruise control .......................... 178
Speed limiter ........................... 180
Forward collision alert .............181
Following distance indication ...184
Active emergency braking .......184
Parking assist .......................... 186
Side blind spot alert .................194
Rear view camera ...................195
Traffic sign assistant ................197
Lane keep assist .....................201
Fuel ............................................ 203
Fuel for petrol engines .............203Fuel for diesel engines ............203
Refuelling ................................ 203
Fuel consumption - CO 2-
Emissions .............................. 204
Trailer hitch ................................ 205
General information .................205
Driving characteristics and towing tips .............................. 206
Trailer towing ........................... 206
Towing equipment ...................207
Trailer stability assist ...............210

Driving and operating1550:ignition off: Some functions
remain active until key is
removed or driver's door is
opened, provided the ignition was
on previously1:accessory power mode: Steering wheel lock released, some
electrical functions are operable,
ignition is off2:ignition on power mode: Ignition
is on, diesel engine is preheating.
Control indicators illuminate and
most electrical functions are
operable3:engine start: Release key after
starting procedure beginsSteering wheel lock
Remove key from ignition switch and
turn steering wheel until it engages.9 Danger
Never remove the key from
ignition switch during driving as
this will cause steering wheel lock.
Power button
Electronic key must be inside the
vehicle.
Accessory power mode
Press Engine Start/Stop once without
operating clutch or brake pedal. The yellow LED in the button illuminates.
Steering wheel lock is released and
some electrical functions are
operable, ignition is off.Ignition on power mode
Press and hold Engine Start/Stop for
six seconds without operating clutch
or brake pedal. The green LED in the button illuminates, diesel engine is
preheating. Control indicators
illuminate and most electrical
functions are operable.Engine start
Operate clutch pedal (manual
transmission) or brake pedal
(automatic transmission or manual
transmission automated) and press
Engine Start/Stop once more.
Release button after starting
procedure begins.Ignition off
Press Engine Start/Stop briefly in
each mode or when engine is running and vehicle is stationary. Some

156Driving and operatingfunctions remain active until driver's
door is opened, provided the ignition
was on previously.Emergency shut off during driving
Press Engine Start/Stop for longer
than two seconds or press twice
briefly within five seconds 3 157.
Steering wheel lock
The steering wheel lock activates
automatically when:
● The vehicle is stationary.
● The ignition has been switched off.
● The driver's door is opened.
To release steering wheel lock, open
and close driver's door and switch on accessory mode or start the engine
directly.
9 Warning
If the vehicle battery is discharged,
the vehicle must not be towed,
tow-started or jump-started as the
steering wheel lock cannot be
disengaged.
Operation on vehicles with
electronic key system in case of
failure
If either the electronic key fails or the
battery of the electronic key is weak,
the Driver Information Centre may
display No Remote Detected or
Replace Battery in Remote Key when
you try to start the vehicle.
Place the electronic key solely
centred in the transmitter area in
longitudinal direction flat with buttons
upside as shown in the illustration.
Other objects, e.g. other keys,
transponder, tags, coins etc. must be removed from the centre console.
Depress the clutch pedal (manual
transmission) or the brake pedal
(automatic transmission or manual
transmission automated) and press
Engine Start/Stop .
To switch off the engine, press
Engine Start/Stop again. Remove the
electronic key from the centre
console.
This option is intended for
emergencies only. Replace the
electronic key battery as soon as
possible 3 21.
For unlocking or locking the doors,
see fault in radio remote control unit
or electronic key system 3 23.
Retained power off
The following electronic systems can
work until the driver's door is opened
or for ten minutes after the ignition is
switched off:
● power windows
● sunroof
● power outlets

Driving and operating157Starting the engine
Vehicles with ignition switch
Turn key to position 1 to release the
steering wheel lock.
Manual transmission: operate clutch
and brake pedal.
Automatic transmission: operate
brake pedal and move selector lever
to P or N.
Manual transmission automated:
operate brake pedal. If brake pedal is not depressed, N in the transmission
display could flash or a message in
the Driver Information Centre could
appear.
Do not operate accelerator pedal.
Diesel engines: turn the key to
position 2 for preheating and wait until
control indicator ! extinguishes.
Turn key briefly to position 3 and
release: an automatic procedure
operates the starter with a short delay
until the engine is running, see
Automatic Starter Control.
Manual transmission: during an
Autostop, the engine can be started
by depressing the clutch pedal
3 159.
Automatic transmission or manual
transmission automated: during an
Autostop, the engine can be started
by releasing the brake pedal 3 159.Vehicles with power button
Manual transmission: operate clutch
and brake pedal.
Automatic transmission: operate
brake pedal and move selector lever
to P or N.
Manual transmission automated:
operate brake pedal. If brake pedal is not depressed, N in the transmission
display could flash or a message in
the Driver Information Centre could
appear.
Do not operate accelerator pedal.

158Driving and operatingPress and release Engine Start/Stop:
an automatic procedure operates the
starter with a short delay until the
engine is running, see automatic
starter control.
Before restarting or to switch off the
engine when vehicle is stationary,
press Engine Start/Stop once more
briefly.
Manual transmission: during an
Autostop, the engine can be started
by depressing the clutch pedal
3 159.
Automatic transmission or manual
transmission automated: during an
Autostop, the engine can be started
by releasing the brake pedal 3 159.
Emergency shut off during driving If the engine needs to be switched offduring driving in case of emergency,
press Engine Start/Stop for longer
than two seconds or press twice
briefly within five seconds.9 Danger
Switching off the engine during
driving may cause loss of power
support for brake and steering
systems. Assistance systems and
airbag systems are disabled.
Lighting and brake lights will
extinguish. Therefore power down the engine and ignition while
driving only when required in case of emergency.
Starting the vehicle at low
temperatures
Starting the engine without additional
heaters is possible down to -25 °С for diesel engines and -30 °C for petrol
engines. Required is an engine oil
with the correct viscosity, the correct fuel, performed services and a
sufficiently charged vehicle battery.
With temperatures below -30 °C the
automatic transmission requires a
warming phase of approx.
five minutes. The selector lever must
be in position P.
Automatic starter control
This function controls the engine
starting procedure. The driver does
not need to hold the key in position 3
or to hold Engine Start/Stop pressed.
Once applied, the system will go on
starting automatically until the engine
is running. Because of the checking procedure, the engine starts running
after a short delay.
Possible reasons for a non-starting
engine:
● Clutch pedal not operated (manual transmission).
● Brake pedal not operated or selector lever not in P or N
(automatic transmission).
● Brake pedal not operated (manual transmission
automated).
● Timeout occurred.