92 On t h e road
vehicle can be locked with the mechani -
cal key
r=;, page 39 .
- If you open the driver's door with the ig-
nition switched on, a buzzer sounds and
the message
Ignition is on appears in
the instrument cluster disp lay. Switch
the ignit ion
off.
Stopping the engine
,. Bring the vehicle to a full stop .
,. Move the selecto r lever to the P or N posi-
t ion .
,. Press on the ignition key. The engine is
turned
off.
Emergency off
If it is necessary in unusua l circumstances, the
engine can be switched
off wh ile the vehicle is
moving. The engine wi ll be switched
off if you
press on the key for an extended period .
& WARNING
- Never t urn off the engine unti l the vehi-
cle has come to a complete stop.
- The brake booste r and servotronic only
wor k when the engine is running. With
the ignition turned
off, yo u have to apply
more force when steering or braking .
Since you cannot steer and stop norma l-
ly, this can lead to accidents and serious
injuries.
- The radiator fan can continue to run for
up to 10 minutes even after you have
turned
off the engine and removed the
ignition key. The radiator fan can also
turn on again if the engine coolant heats
up because of intense sunlight or heat
build-up in the engine compartment.
(D Note
Do not stop the engine immed iately after
hard or extended driving . Keep the engine
running for approximately two minutes to
prevent excessive heat build-up.
Starting and stopping
the engine with
Convenience key
St t · th . ith the
button
Applies to vehicles : with Convenience key
This button switches on the ignition and
starts the engine.
Fig. 107 Convenience key: START ENGINE STOP button
,. Step on t he brake pedal and move the selec-
t or lever to P or
N r=;, ,&..
.. Press on the ~, S_T_A_R_T_E_N_ G- IN_ E_S_T_O_P-1 button
~
fig . 107 - the engine will start.
By pressing the
!START ENGINE STOPI button
without depressing the brake peal, the ign i-
tion is switched on and switched
off by press-
ing it again.
If the engine does not st art immediately, stop
t rying after 10 seconds and t hen try to rest art
the engine about 30 seconds later.
After a cold engine is started, there may be a
brief period of increased noise because oil
pressure must first build up in t he hydrau lic
valve adjuste rs. This is norma l and not a cause
for concern.
Driver message in th e inst rument cluste r
display
No key identified
This message appears w hen the
I STAR T ENGINE STOP I button is pressed if
there is no master key inside the vehicle or if
the system does not recognize it. For exam-
ple, the master key cannot be recognized if it
is covered by an object (e.g. aluminum brief ...,