2015 Alfa Romeo 4C engine

Warning lights on
panelWhat it means What to do
red
amberEBD FAILURE
The simultaneous switching on of the
(red)
and
(amber) warning lights with the engine
on, indicates either a failure of the EBD system or
that the system is not available. In this case, the
rear wheels may suddenly lock and the vehicle
may swerve when braking sharply.
The display shows the dedicated message.Drive very carefully to the nearest dedicated Alfa
Romeo Dealership to have the system inspected
immediately.
redAIRBAG FAILURE
When the key is turned to MAR-ON, the warning
light switches on but should switch off after a few
seconds.
The warning light stays on constantly if there is a
fault in the airbag system.
The display shows the dedicated message.
59) 60)
redSEAT BELTS NOT FASTENED
(for versions/markets, where provided)
The warning light switches on constantly with the
car stationary if the driver’s seat belt is not
fastened.
The warning light flashes and a buzzer will sound
if the car is in motion and the driver’s seat belt is
not correctly fastened.For permanent deactivation of the SBR (Seat Belt
Reminder) system buzzer, contact the dedicated
Alfa Romeo Dealership. The system can be
reactivated using the Setup Menu.
74
KNOWING THE INSTRUMENT PANEL

Warning lights on
panelWhat it means What to do
amberINJECTION/EOBD SYSTEM FAILURE
In normal conditions, when the ignition key is turned to
MAR-ON the warning light switches on, but should
switch off as soon as the engine is started.
The operation of the
warning light may be checked
by the traffic police using specific devices. Comply with
the laws and regulations of the country where you are
driving.5)
If the warning light stays on or switches on when driving,
it means that the injection system is not working
properly; in particular, if the warning light comes on
constantly, this indicates a malfunction in the supply/
ignition system that could cause excessive exhaust
emissions, a possible loss of performance, poor
driveability and high fuel consumption.
On some versions, the display shows the dedicated
message.
The warning light switches off if the malfunction
disappears, but it is still stored by the system.Under these conditions, you may continue
travelling at a moderate speed without
demanding excessive effort from the
engine. Prolonged use of the car with the
warning light on constantly may cause
damage.
Contact the dedicated Alfa Romeo
Dealership as soon as possible.
If the warning light flashes, it means that the catalytic
converter may be damaged.In this case, it is necessary to release the
accelerator pedal to lower the speed of
the engine until the warning light stops
flashing. Continue the journey at moderate
speed, trying to avoid driving conditions
that may cause further flashing and
contact the dedicated Alfa Romeo
Dealership as soon as possible.
77

Warning lights on
panelWhat it means What to do
amberELECTRONIC STABILITY CONTROL (ESC)
SYSTEM
When the ignition key is turned to MAR-ON, the
warning light switches on, but should switch off
as soon as the engine is started.
Intervention by the system is indicated by the
flashing of the warning light: it indicates that the
car is in critical stability and grip conditions.
If the warning light does not switch off, or if it
stays on with the engine running, ESC system
malfunction has been detected.Contact the dedicated Alfa Romeo Dealership as
soon as possible to have the problem diagnosed
and resolved.
Hill Holder failure
The warning light switches on together with the
digital warning light and corresponding
message on the display to indicate Hill Holder
system failure.In this case, contact the dedicated Alfa Romeo
Dealership as soon as possible.
amberASR FUNCTION DEACTIVATED WARNING
LIGHT
When the ignition key is turned to MAR-ON, the
warning light switches on, but should switch off
as soon as the engine is started.
The
warning light switches on when the ASR
function of the electronic stability control (ESC)
system is deactivated (by selecting "Race" mode).
When the ASR function is reactivated, the
warning light switches off.
79

WARNING LIGHTS ON DISPLAY
Warning lights on
displayWhat it means What to do
redLOW ENGINE OIL PRESSURE
When the key is turned to MAR-ON, the digital warning light switches on,
but it should switch off as soon as the engine is started.
The digital warning light switches on constantly together with the
message in the display when the system detects that the engine oil
pressure is insufficient.
6)
ENGINE OIL DETERIORATED
(for versions/markets, where provided)
The digital warning light will flash and a specific message will appear on
the display (for versions/markets, where provided).
The digital warning light may flash in the following ways, depending on
the versions:
- for 1 minute every two hours;
- for 3 minute cycles with the warning light off for intervals of 5 seconds
until oil is changed.
After the initial warning, each time the engine is started up, the digital
warning light will continue to flash in the same mode, until the oil is
changed. A specific message will appear on the display (for versions/
markets, where provided) in addition to the warning light. If the digital
warning light flashes, this does not mean that the car is defective, but
simply informs the driver that it is now necessary to change the oil as a
result of regular vehicle use. Remember that the deterioration of engine
oil is accelerated by using the car for short drives, preventing the engine
from reaching operating temperature.Contact the dedicated
Alfa Romeo Dealership as
soon as possible.
62)
82
KNOWING THE INSTRUMENT PANEL

Warning lights on
displayWhat it means What to do
redENGINE COOLANT TEMPERATURE
TOO HIGH
The digital warning light switches on when
the key is turned to MAR-ON, but it should
switch off after a few seconds. The warning
light switches on when the engine is
overheated.
The display shows the dedicated message.When driving normally: stop the car, switch off the
engine and check that the water level in the reservoir is
not below the MIN mark. If it is, wait for the engine to
cool down then slowly and carefully open the cap, top
up with coolant and check that the level is between the
MIN and MAX marks on the reservoir. Also check
visually for any fluid leaks. Should the warning light turn
on again at the next start-up, contact the dedicated
Alfa Romeo Dealership.
If the car is used under demanding conditions (e.g. in
high-performance driving): slow down and, if the
warning light stays on, stop the car. Wait for 2 or 3
minutes with the engine running and slightly
accelerated to further favour the coolant circulation.
Then stop the engine. Check the correct coolant level
as described above.
IMPORTANT Over demanding routes, it is advisable to
keep the engine on and slightly accelerated for a few
minutes before switching it off.
Warning lights on
displayWhat it means What to do
redALTERNATOR FAILURE
The digital warning light switches on, only with
engine started, when an alternator fault is
detected.Contact the dedicated Alfa Romeo Dealership as
soon as possible.
83

Warning lights on
displayWhat it means What to do
redGEARBOX FAILURE
The digital warning light switches on when the
key is turned to MAR-ON, but it should switch off
after a few seconds.
The digital warning light flashes (together with a
message in the display and an acoustic signal) to
indicate that the gearbox/transmission is faulty.
The digital warning light can light up even in the
event of transmission overheating, after a
particularly demanding use. In this case an engine
performance limitation is performed.Contact the dedicated Alfa Romeo Dealership as
soon as possible.
If it is necessary to start the engine with a
gearbox/transmission failure, follow the procedure
described in the "Using the gearbox/
transmission" paragraph, "Starting the engine"
section in the "Starting and driving" chapter.
redINCOMPLETE DOOR LOCKING
(for versions/markets, where provided)
The digital warning light on the display switches
on when one or more doors are not properly shut.
An acoustic signal is emitted with the doors open
and the car in motion.
amberWORN BRAKE PADS
(for versions/markets, where provided)
The digital warning light on the display switches
on when the front or rear brake pads are worn.
The display shows the dedicated message.Have them replaced as soon as possible.
amberALFA ROMEO CODE SYSTEM FAILURE
(for versions/markets, where provided)
The digital warning light switches on in the display
(together with a message) to indicate Alfa Romeo
CODE system failure.Contact the dedicated Alfa Romeo Dealership as
soon as possible.
84
KNOWING THE INSTRUMENT PANEL

Warning lights on
displayWhat it means What to do
GENERAL FAILURE
(for versions/markets, where provided)
The symbol lights up in the display in the
circumstances indicated below.
Engine oil pressure sensor failure
The symbol lights up when the engine oil pressure
sensor is faulty. The display shows the dedicated
message.In these case contact the dedicated Alfa Romeo
Dealership to have the fault fixed as soon as
possible.
"Clutch overheating" message
The
symbol, along with a message on the
display, lights up to indicate clutch overheating.
If the driver continues, the
symbol will switch
off and the
warning light will light up (on some
versions together with a message on the display)
to indicate a transmission failure.If the
symbol lights up along with a message
on the display, reduce gear shifting and/or
change usage conditions, until the normal
operating conditions are restored.
If the
warning light lights up (a message will
appear on the display, on some versions) stop
immediately, operate the handbrake, stop the
engine and wait 5 minutes: after this, normal
transmission operating conditions will be
restored.
Should the transmission failure condition persist,
contact the dedicated Alfa Romeo Dealership
FUEL CUT-OFF
The symbol and the corresponding message are
shown on the display in the following cases:
❒fuel cut-off system intervention: the yellow
symbol lights up;
❒fuel cut-off system failure: the red symbol lights
up.For the fuel cut-off system reactivation procedure,
refer to the "Fuel Cut-Off System" section of the
"Controls" paragraph, in the "Knowing your car"
chapter. If it is still not possible to restore the fuel
supply, contact the dedicated Alfa Romeo
Dealership.
87

IMPORTANT
6) If thewarning light switches on when driving, stop the engine immediately and contact the dedicated Alfa
Romeo Dealership.
WARNING
62) Deteriorated engine oil should be replaced as soon as possible after the digital warning light comes on, and never
more than 500 km after it first switches on. Failure to observe the above indications may result in severe damage to
the engine and invalidate the warranty. Remember that when the digital warning light comes on, it does not mean
that the level of engine oil is low, so if it flashes you must not top up the engine oil.
63) If the warning light flashes with the car in motion, contact the dedicated Alfa Romeo Dealership.
89