2023 ALFA ROMEO STELVIO check engine light

GETTING TO KNOW YOUR INSTRUMENT PANEL

80

Engine Coolant Temperature Too High
The telltale lights up when the engine
has overheated.

In normal driving conditions : stop the car, turn off
the engine and check that the coolant level in the
reservoir is not below the MIN mark. In this case,
wait for the engine to cool down, then slowly and
carefully open the cap, fill with coolant and check
that the level is between the MIN and MAX marks
on the reservoir itself. Also check visually for any
fluid leaks. Contact an authorized dealer if the
telltale comes on when the engine is started again.

If the vehicle is used under demanding
conditions (e.g. in high-performance driving):
slow down and, if the warning light stays on, stop
the vehicle. Stop for two or three minutes with the
engine running and slightly accelerated to
facilitate better coolant circulation, then turn the
engine off. Check that the coolant level is correct
as described previously.
Hood Cap Not Properly Shut
The telltale turns on when the hood cap
is not properly closed, along with the
icon, an image of the vehicle with an
open hood cap appears on the display.
A buzzer is heard when the hood cap is open and
the vehicle is moving.
Close the hood properly.
Insufficient Engine Oil Level
The telltale turns on, along with the
related message on the display, to
indicate low engine oil level.
Contact an authorized dealer to have the system
checked.
Low Engine Oil Pressure
This telltale indicates low engine oil
pressure. If the telltale turns on while
driving, stop the vehicle and shut off the
engine as soon as possible. A chime will
sound when this telltale turns on. Do not operate
the vehicle until the cause is corrected. This
telltale does not indicate how much oil is in
the engine.

NOTE:
Do not use the vehicle until the failure has been
solved. The turning on of the telltale does not indi -
cate the amount of oil in the engine: the oil level
can be checked on the display upon entering the
vehicle and also by activating the “Oil level”
function on the Information and Entertainment
System.
Contact an authorized dealer as soon as
possible.
Liftgate Not Properly Shut
The telltale turns on when the liftgate is
not properly closed, along with the icon,
an image of the vehicle with an open
liftgate appears on the display.
A buzzer is heard when the liftgate is open and
the vehicle is moving.
Close the liftgate properly.
AMBER SYMBOLS
ABS Activation
This telltale will illuminate to indicate
that the ABS system has activated.
Adaptive Front Lighting System Failure
The telltale will illuminate to indicate the
automatic directional light system
failure.
Go to an authorized dealer to have the system
checked.
All Wheel Drive Failure
This telltale will illuminate along with
an accompanying message when the
AWD dynamic control system is
temporarily deactivated to prevent
damage. The traction system will work in
RWD mode in this instance.
Contact an authorized dealer as soon as possible
to have the failure eliminated.
Audio System Failure
The telltale will illuminate to report a
failure of the audio system.
Contact an authorized dealer as soon as possible
to have the failure eliminated.
Automatic High Beam Headlights
Failure — If Equipped
The telltale will illuminate to report a
failure of the automatic high beam
headlights.
Contact an authorized dealer as soon as possible
to have the failure eliminated.
CAUTION!
If the LOW ENGINE OIL PRESSURE symbol
switches on when driving, stop the engine
immediately and contact an authorized dealer.
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Engine Oil Level Sensor Failure
The telltale will illuminate in the event of
engine oil level sensor failure.
Contact an authorized dealer as soon as
possible.
Engine Oil Pressure Sensor Failure
The telltale will illuminate in the event of
engine oil pressure sensor failure.
Contact an authorized dealer as soon as
possible.
Fuel Cut-Off System Failure
The telltale will illuminate in the event of
fuel cut-off system failure.
Contact an authorized dealer as soon as
possible.
Fuel Cut-Off Indicator Light
The telltale will illuminate after an
accident has occurred and the system
has shut the fuel off.
For reactivating the fuel cut-off system

Ú
page 157. If it is not possible to restore the fuel
supply, contact an authorized dealer.
Fuel Level Sensor Failure
The telltale will illuminate in the event of
fuel level sensor failure.
Contact an authorized dealer as soon as
possible.
Generic Indication
Signals information and failures.
The accompanying messages describe the
failure.
Highway Assist System (HAS)/Traffic Jam
Assist (TJA) System Failure
The symbol lights up in case of HAS or
TJA system failure.
Contact an Alfa Romeo Dealership as soon as
possible to have the failure eliminated.
Keyless System Failure
The telltale will illuminate in the event of
keyless system failure.
Contact an authorized dealer as soon as
possible.
Lane Departure Warning (LDW) System
Failure — If Equipped
The telltale will illuminate in the event of
a fault in the Lane Departure Warning
system.
Contact an authorized dealer as soon as
possible.
Loose Fuel Filler Cap
Lights up if the fuel tank cap is open or
not properly closed.
Tighten the cap properly.
Low Coolant Level — If Equipped
This telltale will illuminate to indicate
that the vehicle coolant level is low.
Windshield Washer Liquid Level
The telltale will illuminate to indicate
that the level of the windshield and
headlight washing fluid (if any) is low.
Always use liquid with the features indicated in
the “Fluids And Lubricants”

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page 206.
Park Sensors System Failure
The telltale will illuminate when the
system has failed or is not available.
Contact an authorized dealer to have the system
checked.
Rain Sensor Failure
The telltale will illuminate in the case of
failure of the automatic windshield
wiper.
Contact an authorized dealer as soon as
possible.
Service Adaptive Cruise Control (ACC)
System
This light will illuminate when the ACC is
not operating and needs service.
Contact an authorized dealer to have the system
checked.
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83

Shock Absorbers Failure
While driving, if the telltale illuminates,
it signals a failure in the suspension
system.
Contact an authorized dealer to have the system
checked.
Forward Collision Warning (FCW) System
Failure — If Equipped
The telltale will illuminate in the case of
failure of the Forward Collision Warning
system.
Contact an authorized dealer as soon as possible.
Stop/Start System Failure
This telltale will illuminate to report a
Stop/Start system failure.
Contact an authorized dealer as soon as possible
to have the failure eliminated.
Soft Suspension Calibration Insertion —
If Equipped
The telltale will illuminate when the
most comfortable suspension setting is
activated.
Speed Limiter System Failure
While driving, the telltale will illuminate
to signal a Speed Limiter system failure.
Contact an authorized dealer as soon as possible
to have the failure eliminated.
Temporary All Wheel Drive Failure —
If Equipped
This telltale will illuminate to indicate
that the AWD dynamic control system is
temporarily deactivated to prevent
damage. The traction system will work in
RWD mode in this instance.
In the event that this telltale illuminates, reduce
the load to allow the system to cool down. The
AWD system will resume normal operation when
the symbol disappears from the display.
Automatic Transmission Fluid
Overheating

The telltale will illuminate in the case
of transmission overheating, after a
particularly demanding use. In this case
an engine performance limitation is
carried out.

Wait for the telltale to turn off with the engine off
or idling.
Wear On Brake Pads
This light will illuminate when the brake
pads have reached their wear limit.
Contact an authorized dealer as soon
as possible.

NOTE:
Always use genuine parts or similar because the
Integrated Brake System (IBS) system could
detect anomalies.
Windshield Wiper Failure
Signals a windshield wiper failure.
Contact an authorized dealer.
GREEN SYMBOLS
Adaptive Cruise Control System —
If Equipped
The symbol comes on when the
Adaptive Cruise Control system is
activated.
Automatic Headlights
The symbol lights up when the
automatic headlights are on.
Headlights
The telltale will illuminate when the
headlights are turned on.
Cruise Control Activated
The telltale will illuminate when the
Cruise Control system is activated.
Stop/Start Operation
The telltale will illuminate in the case of
Stop/Start system intervention
(stopping the engine).
When the engine is restarted, the telltale will shut
off

Ú
page 100.
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BLUE SYMBOLS
Automatic High Beam Headlights —
If Equipped
The telltale will illuminate when the
automatic high beam headlights are
activated.
High Beam Headlights
The telltale will illuminate when the
high beam headlights are activated.
ONBOARD DIAGNOSTIC
SYSTEM
Operation
The Onboard Diagnostic system (OBD) carries out
a continuous diagnosis of the components of the
vehicle related to emissions.
It also alerts the driver of when these
components are no longer in peak condition by
switching on the Engine Check/Malfunction
Indicator warning light on the instrument panel.The aim of the OBD system (Onboard Diagnostic)
is to:
Monitor the efficiency of the system
Indicate an increase in emissions
Indicate the need to replace damaged
components
The vehicle also has a connector, which can
interface with appropriate tools, that makes it
possible to read the error codes stored in the
electronic control units together with a series of
specific parameters for engine operation and
diagnosis. This check can be carried out by an
authorized dealer.

NOTE:
After eliminating a fault, to check the system
completely, an authorized dealer is obliged to run
tests and, if necessary certain road tests.
ONBOARD DIAGNOSTIC SYSTEM (OBD II)
C
YBERSECURITY
Your vehicle is required to have OBD II and a
connection port to allow access to information
related to the performance of your emissions
controls. Authorized service technicians may
need to access this information to assist with the
diagnosis and service of your vehicle and
emissions system.
WARNING!
ONLY an authorized service technician
should connect equipment to the OBD II
connection port in order to read the VIN,
diagnose, or service your vehicle.
If unauthorized equipment is connected to
the OBD II connection port, such as a
driver-behavior tracking device, it may:
• Be possible that vehicle systems,
including safety related systems, couldbe impaired or a loss of vehicle controlcould occur that may result in an acci-dent involving serious injury or death.
• Access, or allow others to access, infor-
mation stored in your vehicle systems,including personal information.
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EMISSIONS INSPECTION
AND MAINTENANCE
PROGRAMS
In some localities, it may be a legal requirement
to pass an inspection of your vehicle's emissions
control system. Failure to pass could prevent
vehicle registration.For states that require an Inspection
and Maintenance (I/M), this check
verifies the Malfunction Indicator
Light (MIL) is functioning and is not
on when the engine is running, and that the
OBD II system is ready for testing.
Normally, the OBD II system will be ready. The
OBD II system may not be ready if your vehicle
was recently serviced, recently had a depleted
battery or a battery replacement. If the OBD II
system should be determined not ready for the
I/M test, your vehicle may fail the test. Your vehicle has a simple ignition actuated test,
which you can use prior to going to the test
station. To check if your vehicle's OBD II system is
ready, you must do the following:
1. Cycle the ignition switch to the ACC position,
but do not crank or start the engine.

NOTE:
If you crank or start the engine, you will have to
start this test over.
2. As soon as you cycle the ignition switch to the ACC position, you will see the Malfunction
Indicator Light (MIL) symbol come on as part
of a normal bulb check.
3. Approximately 15 seconds later, one of two things will happen:
The MIL will flash for about 10 seconds and
then return to being fully illuminated until you
turn OFF the ignition or start the engine.
This means that your vehicle's OBD II system
is not ready and you should not proceed to
the I/M station.
The MIL will not flash at all and will remain fully
illuminated until you place the ignition in the
off position or start the engine. This means
that your vehicle's OBD II system is ready and
you can proceed to the I/M station.
If your OBD II system is not ready, you should see
an authorized dealer or repair facility. If your
vehicle was recently serviced or had a battery
failure or replacement, you may need to do
nothing more than drive your vehicle as you
normally would in order for your OBD II system to
update. A recheck with the above test routine
may then indicate that the system is now ready.
Regardless of whether your vehicle's OBD II
system is ready or not, if the MIL is illuminated
during normal vehicle operation you should have
your vehicle serviced before going to the I/M
station. The I/M station can fail your vehicle
because the MIL is on with the engine running.
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ENABLING AND DISABLING PARKSENSE
For vehicles only equipped with rear sensors, to
turn the system off, push the ParkSense button
located to the left of the headlight switch. The
indicator light within the button will illuminate
when the system is turned off. Pushing the button
a second time will turn the system back on, and
the indicator light will turn off.ParkSense System On/Off Button
For vehicles equipped with front and rear
sensors, to turn the front parking sensors off,
push the ParkSense button located to the left of
the headlight switch. The indicator light within the
switch will illuminate when the system is turned
off. Pushing the button a second time will turn the
front sensors back on, and the indicator light will
turn off.

NOTE:
Deactivation of both the front and rear parking
sensors can only be done through the radio
system. The indicator light within the ParkSense system
switch will also be on in case of system failure. If
the switch is pushed with a system failure, the
indicator light will flash for approximately five
seconds. The light will then stay on constantly.

NOTE:
When the ignition is placed in the ON/RUN posi
-
tion, the ParkSense system keeps the last state
when the engine was stopped (activated or deac -
tivated) in its memory.
PARKSENSE WARNING DISPLAY
Parking sensor faults, if any, will be indicated
when REVERSE is engaged by a message on the
instrument cluster display

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page 74.
In case of system failure, a dedicated message
appears on the instrument cluster for about
five seconds.
Cleaning The Front Or Rear Sensors : If the
display shows a message requiring the
sensors to be cleaned, make sure that the
outer surface and the underside of the front
and rear bumpers are free of debris (e.g. snow,
mud, ice, etc.). Once these areas are clear,
place the ignition in the OFF position, then
return it to ON/RUN. If the message is still
displayed, contact an authorized dealer.
Audio System Not Available : If the display
shows a message that the audio system is not
available, it means that the acoustic signal will
be emitted by the instrument panel, and not
through the vehicle’s speakers.
OPERATION WITH A TRAILER
The operation of the ParkSense system is
automatically deactivated when a trailer’s
electrical connector is plugged into the vehicle.
The sensors are automatically reactivated when
the electrical connector is removed.
WARNING!
Before using the ParkSense system, it is
strongly recommended that the ball mount
and hitch ball assembly be disconnected
from the vehicle when the vehicle is not used
for towing. Failure to do so can result in injury
or damage to vehicles or obstacles because
the hitch ball will be much closer to the
obstacle than the rear fascia when the
vehicle sounds the continuous tone. Also, the
sensors could detect the ball mount and
hitch ball assembly, depending on its size
and shape, giving a false indication that an
obstacle is behind the vehicle.
Drivers must be careful when backing up
even when using the ParkSense system.
Always check carefully behind your vehicle,
look behind you, and be sure to check for
pedestrians, animals, other vehicles,
obstructions, and blind spots before
backing up. You are responsible for safety
and must continue to pay attention to your
surroundings. Failure to do so can result in
serious injury or death.
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Towing Requirements — Tires
Do not attempt to tow a trailer while using a
compact spare tire.
Do not drive more than 50 mph (80 km/h)
when towing while using a full size spare tire.
Proper tire inflation pressures are essential to
the safe and satisfactory operation of your
vehicle.
Check the trailer tires for proper tire inflation
pressures before trailer usage.
Check for signs of tire wear or visible tire
damage before towing a trailer.
Replacing tires with a higher load carrying
capacity will not increase the vehicle's GVWR
and GAWR limits.
For proper tire inflation procedures
Ú
page 224.
Towing Requirements — Trailer Brakes
Do not interconnect the hydraulic brake
system or vacuum system of your vehicle with
that of the trailer. This could cause inadequate
braking and possible personal injury.
An electronically actuated trailer brake
controller is required when towing a trailer with
electronically actuated brakes. When towing a
trailer equipped with a hydraulic surge
actuated brake system, an electronic brake
controller is not required.
Trailer brakes are recommended for trailers
over 1,000 lb (453 kg) and required for trailers
in excess of 2,000 lb (907 kg).
Towing Requirements — Trailer Lights
And Wiring
Whenever you pull a trailer, regardless of the
trailer size, stoplights and turn signals on the
trailer are required for motoring safety.
The Trailer Tow Package may include a four- and
seven-pin wiring harness. Use a factory approved
trailer harness and connector.

NOTE:
Do not cut or splice wiring into the vehicle’s wiring
harness.
The electrical connections are all complete to the
vehicle but you must mate the harness to a trailer
connector. Refer to the following illustrations.

NOTE:

Disconnect trailer wiring connector from the
vehicle before launching a boat (or any other
device plugged into vehicle’s electrical
connect) into water.
Be sure to reconnect once clear from
water area.
Then, during the first 500 miles (805 km)
that a trailer is towed, do not drive over
50 mph (80 km/h) and do not make starts
at full throttle. This helps the engine and
other parts of the vehicle wear in at the
heavier loads.
CAUTION!
WARNING!
Do not connect trailer brakes to your
vehicle's hydraulic brake lines. It can
overload your brake system and cause it to
fail. You might not have brakes when you
need them and could have an accident.
Towing any trailer will increase your stopping
distance. When towing, you should allow for
additional space between your vehicle and
the vehicle in front of you. Failure to do so
could result in an accident.
CAUTION!
If the trailer weighs more than 1,000 lb
(453 kg) loaded, it should have its own brakes
and they should be of adequate capacity.
Failure to do this could lead to accelerated
brake lining wear, higher brake pedal effort,
and longer stopping distances.
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139

DRIVING STYLE
Starting
Do not warm up the engine at low or high revs
when the vehicle is stationary; this causes the
engine to warm up more slowly, thereby
increasing fuel consumption and emissions. It is
therefore advisable to drive off immediately,
slowly, avoiding high speeds: by doing this the
engine will warm up more quickly.
Unnecessary Actions
Avoid revving up when starting at traffic lights or
before stopping the engine. This action is
unnecessary and causes increased fuel
consumption and pollution.
Gear Selection
Use a high gear when traffic and road conditions
allow it. Using a low gear for faster acceleration
will increase fuel consumption. Improper use of a
high gear increases consumption, emissions and
engine wear.
Maximum Speed
Fuel consumption considerably increases as
speed increases. Maintain a constant speed,
avoiding unnecessary braking and acceleration,
which cost in terms of both fuel consumption and
emissions.
Acceleration
Accelerating violently severely affects
consumption and emissions: acceleration should
be gradual and should not exceed the maximum
torque.
CONDITIONS OF USE
Cold Starting
Short trips and frequent cold starts will not allow
the engine to reach optimum operating
temperature. This results in a significant increase
in consumption levels (from +15 to +30% in
city driving) and emissions.
Traffic And Road Conditions
High fuel consumption is caused by heavy traffic,
for instance when traveling in traffic with frequent
use of low gears or in cities with many traffic
lights. Winding mountain roads and rough road
surfaces also adversely affect consumption.
Stops In Traffic
During prolonged stops (e.g. railway crossings),
turn off the engine.
PERFORMANCE — QUADRIFOGLIO
This vehicle is equipped with an engine capable
of delivering exceptionally fast acceleration and
speed:
Peak power: 505 HP at 6,500 RPM.
Peak torque: 443 ft-lb at 2,500–5,000 RPM.
Top speed: 176 mph (283 km/h).

Acceleration from 0 to 60 mph (0 to 100 km/h):
3.6 seconds.
For safe driving, it is essential, particularly during
the first days of use, to get to know the car by
driving carefully and gradually discovering its
performance.
Driving On Race Tracks
Before driving on a track using a racing style, it is
necessary to:
Attend a race track driving course.
Check the liquid levels in the engine
compartment
Ú
page 199.
Have the car inspected at an authorized
dealer.
Remember that the car was not designed to be
driven exclusively on the race track and that this
use increases stress and component wear.

NOTE:
Quadrifoglio front brakes are equipped with
Non-Asbestos Organic (NAO) type pads. These
pads are NOT suitable for high thermal loads
(for example track use).
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