light Alfa Romeo 4C 2015 Owner handbook (in English)

SYSTEM INTERVENTION
This is indicated by the flashing of the
warning light on the instrument
panel, to inform the driver that the car is
in critical stability and grip conditions.
ABS
This system, which is an integral part of
the braking system, prevents one or
more wheels from locking and slipping
in all road surface conditions,
irrespective of the intensity of the
braking action, ensuring that the car
can be controlled even during
emergency braking and optimising
stopping distances.
The system intervenes when braking
and the wheels are about to lock,
typically in emergency braking or
low-grip conditions, when locking may
be more frequent.
The system also improves control and
stability of the car when braking on a
surface where the grip of the left and
right wheels varies, or on corners.
31) 32) 33) 34) 35) 36) 37)
System intervention
A slight pulsing of the brake pedal and
noise indicates the intervention of the
ABS: this is completely normal when
the system intervenes.
EBD SYSTEM
The EBD system is an integral part of
the ABS system and intervenes during
braking, distributing the brake force
optimally between front and rear
wheels.
This guarantees greater braking stability
for the vehicle, preventing sudden
locking of the rear wheels and
the consequent instability of the vehicle.
CBC (Cornering Brake
Control) SYSTEM
The system acts when braking on
corners, optimising the distribution of
brake pressure on the four wheels: the
system prevents the wheels on the
inside of the corner (less affected by the
weight of the car) from locking,
ensuring better stability and direction
for the car.DTC (Drag Torque
Control) SYSTEM
This is an integral part of the ABS
system and intervenes in the case of
sudden downshifting, or during braking
when the ABS intervenes, restoring
torque to the engine and thus
preventing excessive drag at the drive
wheels, which may lead the wheels
to lock and a loss of car stability, above
all in low-grip conditions.
ASR (AntiSlip
Regulation) SYSTEM
29) 30) 38) 39) 40)
This is an integral part of the ESC
system and automatically operates in
the event of one or both drive wheels
slipping, loss of grip on wet roads
(aquaplaning) and acceleration
on slippery, snowy or icy roads, etc.
Depending on the slipping conditions,
two different control systems are
activated:
❒if the slipping involves both drive
wheels, the ASR system intervenes,
reducing the power transmitted by
the engine;
❒if the slipping only involves one of the
drive wheels, it also intervenes
automatically, braking the wheel that
is slipping.
43

System intervention
This is indicated by the flashing of the
warning light on the instrument
panel, to inform the driver that the car is
in critical stability and grip conditions.
HILL HOLDER SYSTEM
This is an integral part of the ESC
system and facilitates starting on
slopes, activating automatically in the
following cases:
❒uphill: car stationary on a road with a
gradient higher than 5%, engine
running, brake pressed and
transmission in neutral or gear other
than reverse engaged;
❒downhill: car stationary on a road
with a gradient higher than 5%,
engine running, brake pressed and
reverse gear engaged.
When setting off, the ESC system
control unit maintains the braking
pressure on the wheels until the engine
torque necessary for starting is
reached, or in any case for a maximum
of 2 seconds, allowing your right foot
to be moved easily from the brake
pedal to the accelerator.When the 2 seconds have elapsed,
without starting, the system is
automatically deactivated, gradually
releasing the braking pressure. During
this release stage, the typical brake
disengagement noise, indicating that
the car is going to move imminently,
can be heard.
IMPORTANT The Hill Holder system is
not a parking brake; therefore, never
leave the vehicle without having
engaged the handbrake, turned the
engine off and engaged first gear,
so that the vehicle is parked in safe
conditions (for further information read
the "Parking" paragraph in the "Starting
and driving" chapter).
IMPORTANT There may be situations
on small gradients (less than 8%),
with vehicle laden, in which the Hill
Holder system may not activate,
causing a slight reversing motion and
increasing the risk of collision with
another vehicle or object. The driver is,
in any case, responsible for safe driving.HBA (Hydraulic Brake
Assistant) SYSTEM41) 42) 43)
The HBA system is designed to
improve the car’s braking capacity
during emergency braking. The system
detects emergency braking by
monitoring the speed and force with
which the brake pedal is pressed, and
consequently applies the optimal brake
pressure. This can reduce the braking
distance, the HBA system therefore
completes the ABS.
Maximum assistance from the HBA
system is obtained pressing the brake
pedal very quickly. In addition, the
brake pedal should be pressed
continuously during braking, avoiding
intermittent presses, to get the most
out of the system.
Do not reduce pressure on the brake
pedal until braking is no longer
necessary.
The HBA system is deactivated when
the brake pedal is released.
44
GETTING TO KNOW YOUR CAR

DRIVING MODES
Lever A is monostable type. In other
words, it always remains in a central
position.
The selected driving mode is indicated
by the corresponding LED switching
on in the panel and by an indication on
the display.
“Natural” MODE
ESC and ASR systems:intervention
thresholds aimed at providing comfort
and safety in normal grip and driving
conditions.
"Electronic Q2" system:the system
is calibrated to ensure the best driving
comfort.
Engine and gearbox/transmission:
standard response.“Dynamic” MODE
Activation
Move the lever A fig. 47 upwards (to the
letter “d”) and hold in this position for
half a second, until the corresponding
LED lights up and the "Dynamic" mode
activation indicator appears on the
display.
When "Dynamic" mode is activated, the
turbocharger pressure (bar) and engine
oil temperature (°C) screen is displayed
automatically fig. 49:
When released, lever A will return to the
central position.
ESC and ASR systems:intervention
thresholds that ensure more enjoyable,
sportier driving whilst guaranteeing
the stability of the car."Electronic Q2" system:the system
is calibrated to increase traction whilst
accelerating on bends, improving
the agility of the car.
Engine and gearbox/transmission:
adoption of sports mapping.
IMPORTANT In "Dynamic", the
sensitivity of the accelerator pedal
increases considerably. Consequently,
driving is less fluid and comfortable.
Deactivation
To deactivate “Dynamic” mode and
return to “Natural”, move lever A fig. 47
downwards (to letter “a”) and keep it
in this position for half a second. In this
case, the LED corresponding to
“Natural” mode will light up and the
“Natural” mode activation indication will
appear on the display.
48A0L0109
49A0L0110
47

Activation
Move the lever A fig. 47 upwards (to the
letter “d”) and hold in this position for
5 seconds, until the "Race" mode
activation indicator appears on the
display. When "Race" mode is
activated, the longitudinal/lateral
accelerometer indicator screen
(G-meter information) is displayed
automatically. This considers
gravitational acceleration (G) fig. 50.
ESC and ASR systems:the systems
are deactivated in order to ensure
the fullest sensation of sport, leaving
the driver in full control of the vehicle.
When the vehicle is in unstable
conditions, the ESC reactivates
automatically when the brake pedal is
pressed until the ABS intervenes,
thus returning the vehicle to stable
conditions."Electronic Q2" system:the system
is calibrated to increase traction whilst
accelerating on bends, improving
the agility of the car.
Engine and gearbox/transmission:
adoption of sports mapping.
IMPORTANT In "Race", the sensitivity of
the accelerator pedal increases
considerably. Consequently, driving is
less fluid and comfortable.
IMPORTANT In "Race" mode the
transmission only works in MANUAL
mode. For further details, refer to the
"Using the transmission" section in
chapter "Starting and driving".
Deactivation
To deactivate "Race" mode and return
to "Dynamic", move lever A fig. 47
downwards (to letter “a”) and keep it in
this position for half a second. In this
case, the LED corresponding to
"Dynamic" mode will light up and the
"Dynamic" mode activation indication
will appear on the display.“All Weather” MODE
Activation
Move the lever A fig. 47 downwards (to
the letter “a”) and hold in this position
for half a second, until the
corresponding LED lights up and the
“All Weather” mode activation indicator
appears on the display.
ESC and ASR systems:intervention
thresholds aimed at ensuring maximum
safety in low-grip driving conditions. It
is advisable to select "All Weather"
mode in the presence of low-grip road
surfaces.
"ELECTRONIC Q2" SYSTEM: the
system is deactivated.
Engine and gearbox/transmission:
standard response.
50A0L0111
51A0L0112
48
GETTING TO KNOW YOUR CAR
“Race” MODE

Deactivation
To deactivate “All Weather” mode and
return to “Natural”, move lever A fig. 47
upwards (to letter “d”) and keep it in
this position for half a second.
IMPORTANT
❒During the first 250 km of usage of
the car, the Dynamic and Race
modes are inhibited. Within this first
interval of start-up mileage it is
advisable to refrain from an
aggressive driving style, so that the
best gear shifting quality can be
achieved over time.
❒When the engine is next started, the
"All Weather" or "Dynamic" mode
selected previously is retained. The
system will reactivate in "All Weather"
or "Dynamic" mode, depending on
which mode was selected before the
engine was switched off.
❒When the engine is next started, the
"Race" mode selected previously is
not retained. The system will
reactivate in "Dynamic" mode.
❒It is not possible to go directly from
“Dynamic” mode to “All Weather”
mode and vice versa. You must
always first go back to “Natural”
mode and then select the other
mode.System failure
In the event of system failure or a fault
with lever A fig. 47, no driving modes
can be selected.
The display will become grey (same
screen as "Natural" mode) but without
an indication of the Alfa DNA setting.
The display will also show a warning
message.EOBD SYSTEM
(European On
Board Diagnosis)
Operation
The EOBD system (European On Board
Diagnosis) carries out a continuous
diagnosis of the components of the car
related to emissions.
It also alerts the driver, by switching on
the
warning light on the instrument
panel, together with a message on
the display, when these components
are no longer in peak condition (see
“Warning lights and messages”
paragraph in the "Knowing the
instrument panel" chapter).
The aim of the EOBD system (European
On Board Diagnosis) is to:
❒monitor the efficiency of the system;
❒indicate an increase in emissions;
❒indicate the need to replace
deteriorated components.
49

ACOUSTIC SIGNAL
When reverse gear is engaged and
there is an obstacle behind the vehicle,
an acoustic signal is emitted which
varies according to the distance of the
bumper from the obstacle.
The frequency of the acoustic signal:
❒increases as the distance between
car and obstacle decreases,
culminating in a continuous acoustic
signal, when the distance is less
than approximately 30 cm;
❒decreases if the distance from the
obstacle increases, until the signal
ceases entirely;
❒remains constant if the distance
between car and obstacle remains
unchanged; if this situation concerns
the side sensors, the signal will
stop after approximately 3 seconds
to avoid, for example, indications
in the event of manoeuvres along a
wall.
If several obstacles are detected by the
sensors, only the nearest one is
considered.INDICATIONS ON
DISPLAY
(for versions/markets, where provided)
When the sensors are activated, the
screen in fig. 54 appears on the display.
Obstacle presence and distance
information is therefore provided both
by the acoustic signal and the
instrument panel display.
The system indicates a detected
obstacle by displaying an arc in one or
more positions according to the
distance of the obstacle and its position
in relation to the car.
If an obstacle is detected in the rear
central area, the display shows all the
arcs in the rear central area, up to
the one that corresponds to the
position of the obstacle itself.The signal is similar for obstacles in the
rear left or right area.
The arc that corresponds to the
position of the obstacle will flash.
The colour on the display depends on
the distance from and position of the
obstacle.
The car is close to the obstacle when
the display shows a single constant arc
and emits a continuous sound.
If there are several obstacles, the
closest one is indicated.
FAULT INDICATION
Parking sensor failures, if any, will be
indicated when reverse is engaged by
the switching on of the
warning
light on the instrument panel together
with the message on the display (see
“Warning lights and messages”
chapter).
GENERAL WARNINGS
45)
4)
When parking, take the utmost care
over obstacles that may be above
or under the sensor.
54A0L0044
52
GETTING TO KNOW YOUR CAR

TPMS (Tyre
Pressure
Monitoring System)
(for versions/markets, where provided)
DESCRIPTION
The tyre pressure monitoring system
(TPMS) warns the driver of low tyre
pressure on the basis of the cold
inflation pressure prescribed for the car.
Changes in outside temperature may
cause tyre pressure to vary. This means
that a decrease in the outside
temperature corresponds to a decrease
in the tyre pressure.
Tyre pressure must always be adjusted
according to the cold inflation pressure.
Cold tyre inflation pressure is the tyre
pressure after letting the car at a
standstill for at least three hours or a
travel shorter than 1.6 km after an
interval of three hours.
The cold tyre inflation pressure must
not exceed the maximum inflation
pressure value printed on the side of
the tyre.
The tyre pressure also increases while
driving the car: this is a normal
condition and does not require any
adjustment of the pressure.The TPMS continues to advise the
driver of the low tyre pressure condition
until this is corrected; the warning
continues until the pressure
corresponds or exceeds the pressure
prescribed for the cold tyres. When the
tyre low pressure control warning
light
switches on constantly, the
inflation pressure must be adjusted until
it reaches the pressure prescribed for
cold tyres. After the automatic update
of the system, the tyre pressure control
warning light switches off. You may
need to drive the car for about 20
minutes at a speed higher than 20
km/h to allow the TPMS to receive this
information.
NOTE
❒The TPMS does not replace the
normal tyre maintenance service and
does not indicate any fault in a tyre.
❒Therefore, the TPMS should not be
used as pressure switch while
adjusting the tyre inflation pressure.
❒Driving with insufficient tyre pressure
causes their overheating and can
result in tyre failure. The low inflation
pressure reduces fuel efficiency
and tyre tread life and may also affect
handling and braking performance
of the car.❒The TPMS does not replace the
correct tyre maintenance. It is up to
the driver to maintain the correct tyre
pressure level measuring it with a
suitable pressure switch. This is
necessary even if the decrease in the
inflation pressure value does not
cause the tyre pressure control
warning light to switch on.
❒The TPMS warns the driver of any
condition of insufficient tyre pressure
If this drops below the insufficient
pressure limit for any reason including
low temperature and normal
pressure loss of the tyre.
❒The seasonal temperature changes
affect tyre pressure.
The TPMS uses wireless devices with
electronic sensors mounted on the
wheel rims to constantly monitor the
value of tyre pressure. The sensors
mounted on each wheel as part of the
valve stem transmit various information
of the tyres to the receiver module, in
order to calculate the pressure.
IMPORTANT Monitoring and
maintaining the correct pressure in all
four tyres are particularly important.
54
GETTING TO KNOW YOUR CAR

Tyre pressure
monitoring system low
pressure warnings
46) 47) 48) 49) 50) 51) 52) 53) 54)
The system warns the driver if one or
more tyres are flat by the dedicated
warning light
continuously on in the
instrument panel and by displaying
dedicated messages.
In this case, stop the car as soon as
possible, check the inflation pressure of
each tyre and inflate to the cold tyre
pressure value prescribed for the car.
The system will automatically update
and after receiving the tyre pressure
update the tyre pressure control
warning light switches off. You may
need to drive the car for about 20
minutes at a speed higher than 20
km/h to allow the system to receive this
information.TPMS operation faults
The system fault is indicated by the
dedicated warning light
which first
flashes for 75 seconds and then stays
on steadily. This can occur in any of the
following situations:
❒interference caused by electronic
devices or radio frequency emissions
similar to those of the TPM sensors.
❒Application of tinted films which
interfere with the signals of the radio
waves.
❒Presence of snow or ice on the
wheels or the wheel arches.
❒Use of snow chains.
❒Use of wheels/tyres not equipped
with TPM sensors.
55A0L0113
55

WARNING
46) The presence of the TPMS does
not permit the driver to neglect
regular checks of the tyre
pressure, including for the spare
wheel.
47) Tyre pressure must be checked
with tyres rested and cold. Should
it become necessary for whatever
reason to check pressure with
warm tyres, do not reduce
pressure even though it is higher
than the prescribed value. Repeat
the check when the tyres are
cold.
48) Should one or more wheels be
fitted without sensors, the system
will no longer be available and,
in addition to the TPMS warning
light flashing for less than one
minute before becoming constant,
a warning message will be shown
on the display, until 4 wheels
with sensors are fitted again.49) The TPMS cannot warn of
sudden decreases in tyre pressure
(for example when a tyre bursts).
In this case, stop the car, braking
with caution and avoiding abrupt
steering.
50) Replacing standard tyres with
winter tyres (and vice versa)
requires TPMS adjustment that
must only be performed by a
dedicated Alfa Romeo Dealership.
51) Changes in outside temperature
may cause tyre pressures to vary.
The TPMS system may
temporarily indicate insufficient
pressure. In this case, check the
tyre pressure when cold and, if
necessary, restore the inflation
values.
52) When a tyre is removed, it is
advisable to replace the rubber
valve seal as well: contact a
dedicated Alfa Romeo Dealership.
Tyre and/or rim fitting/removal
operations require specific
precautions; to avoid damaging or
fitting the sensors incorrectly,
tyre and/or rim fitting/removal
operations should only be carried
out by specialised staff. Contact
a dedicated Alfa Romeo
Dealership.53) Strong radio-frequency
interference could inhibit the
regular operation of the TPMS.
This condition will be indicated by
a message on the display. The
message will disappear
automatically as soon as the
radio-frequency interference
ceases to affect the system.
54) The tyre repair kit (Fix&Go)
provided with the car (for
versions/markets, where
provided) is compatible with the
TPMS sensors; using sealants not
equivalent with that in the original
kit may adversely affect its
operation. If sealants not
equivalent with the original one
are used, it is recommended to
have the TPMS sensors checked
by a qualified repair centre.
57

KNOWING THE INSTRUMENT PANEL
This section of the booklet gives you all
the information you need to
understand, interpret and use the
instrument panel correctly.CONTROL PANEL AND
INSTRUMENTS ............................... 62
SETUP MENU ................................. 64
MENU OPTIONS ............................. 66
TRIP COMPUTER ........................... 70
WARNING LIGHTS AND
MESSAGES .................................... 73
- LOW BRAKE FLUID / HANDBRAKE
ENGAGED .......................................... 73
- EBD FAILURE .................................. 74
- AIRBAG FAILURE ............................. 74
- SEAT BELTS NOT FASTENED .......... 74
- ABS FAILURE ................................... 75
- PASSENGER AIRBAG
DEACTIVATED .................................... 76
- INJECTION/EOBD SYSTEM
FAILURE ............................................. 77
- TPMS ............................................... 78
- ELECTRONIC STABILITY CONTROL
(ESC) SYSTEM ................................... 79
- ASR FUNCTION DEACTIVATED
WARNING LIGHT ............................... 79
- SIDE LIGHTS AND DIPPED
HEADLIGHTS ..................................... 80
- FOLLOW ME HOME ........................ 80
- LEFT DIRECTION INDICATOR .......... 81
- RIGHT DIRECTION INDICATOR ....... 81
- MAIN BEAM HEADLIGHTS .............. 81
- LOW ENGINE OIL PRESSURE ......... 82
-ENGINE OIL DETERIORATED ........... 82
- ENGINE COOLANT TEMPERATURE
TOO HIGH .......................................... 83
- ALTERNATOR FAILURE ................... 83
- GEARBOX FAILURE ......................... 84
-INCOMPLETE DOOR LOCKING ........ 84
-WORN BRAKE PADS ........................ 84
- ALFA ROMEO CODE SYSTEM
FAILURE ............................................. 84- FUEL RESERVE/LIMITED RANGE .... 85
- FUEL RESERVE/LIMITED RANGE
SENSOR FAULT ................................. 85
- CRUISE CONTROL .......................... 85
- DOOR MIRROR
DEMISTING/DEFROSTING ................. 85
- EXTERIOR LIGHTS FAULT ............... 86
- SERVICE
................ 86
- GENERAL FAILURE ......................... 87
- FUEL CUT-OFF ................................ 87
- LUGGAGE COMPARTMENT OPEN . 88
- POSSIBLE ICE ON ROAD ................ 88
- BRAKE LIGHTS FAILURE ................. 88
- PARKING SENSOR FAILURE ........... 88
- DISPLAY OF SELECTED DRIVING
MODE (“Alfa DNA” system) ................. 88
61
(SCHEDULED SERVICING)