check engine MAZDA MODEL CX-50 2023 Owner's Manual

▼Brake Override Warning Indication
This message is displayed when the
accelerator pedal and brake pedal are
depressed at the
same time while
driving.
Release the accelerator pedal and
depress the brake pedal.
▼ Check Engine Indication/Light
If this light illuminates while driving,
the vehicle may have a problem. It is
important to note the driving
conditions when the light illuminated
and consult an Authorized Mazda
Dealer.
The check engine light may illuminate
in the following cases:
The engine's electrical system has a
problem.
The emission control system has a
problem.
The fuel-filler cap is missing or not
tightened securely.
The fuel tank level being very low or
approaching empty.
If the check engine light remains on, or
it flashes continuously , do not drive at
high speeds and consult an Authorized
Mazda Dealer as soon as possible.
WARNING
If the check engine light turns on, do
not disconnect the battery cables.
If the battery cables are disconnected
and then reconnected, the engine
could be damaged and catch on fire.
▼ i-stop Warning Indication/
Warning Light (Amber)*
The light turns on/flashes
continuously if the system has a
problem.
Have the vehicle inspected by an
Authorized Mazda Dealer.
▼Automatic Transmission Warning
Indication/Warning Light
The indication/light illuminates when
the transmission has a problem.
CAUTION
If the automatic tr
ansmission warning
indication/light illuminates, the
transmission has an electrical problem.
Continuing to drive your Mazda in this
condition could cause damage to your
transmission. Consult an Authorized
Mazda Dealer as soon as possible.
▼ AWD Warning Indication/
Warning Light*
“AWD Malfunction. Front Wheel
Drive Only. Have the Vehicle
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
7-24*Some models.
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▼Security Indicator Light
If the security indicator light flashes
continuously while you are driving, do
not shut
off the engine. Go to an
Authorized Mazda Dealer and have it
checked. If the engine is shut off while
the indicator light is flashing, you will
not be able to restart it.
Make sure the key is within the
operat ional range for signal
transmission. Switch the ignition off,
and then restart the engine. If the
engine does not start after 3 or more
tries, contact an Authorized Mazda
Dealer.
NOTE
Because the electronic codes are reset
when the immobilizer system is
repaired, the keys are needed. Make
sure to bring all the keys to an
Authorized Mazda Dealer so that they
can be programmed.
▼ High Beam Control System (HBC)
Warning Indication/Warning Light
(Amber)
*
The light remains turned on if there is a
problem with the system. Have your
vehicle inspected at an Authorized
Mazda Dealer.
▼i-ACTIVSENSE Warning
Indication/Warning Light*
The indication displays if the system
has a malfunction.
Check the reason for the indication
displaying on the center display or
multi-information display.
Refer to If a Warning Light Turns On or
Flashes on page 7-20.
▼Exterior Light Warning Indication/
Warning Light
This light illuminates if there is a
malfunction in the exterior lights
(except license plate lights). Have your
vehicle inspected by an Authorized
Mazda Dealer.
CAUTION
Do not drive the vehicle while an
exterior light has a malfunction. Poor
visibility, and not being able to signal
braking and turns may cause an
accident. In addition, if the vehicle is
driven with the lights not turned on, it
may conflict with laws and regulations
due to poor maintenance.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
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▼Low Fuel Warning Indication/
Warning Light
The warning indication/warning light
displays/turns on wh
en the ignition is
switched ON and the remaining fuel is
about 9 L (2.3 US gal, 1.9 Imp gal) or
the remaining distance to empty is 50
km (31 miles) or shorter. The warning
light flashes when the vehicle
continues to be driven with the
warning indication/warning light
displayed/turned on and the
remaining fuel in the tank is near
empty.
NOTE
The light illumination timing may vary
because fuel inside the fuel tank moves
around according to the driving
conditions and the vehicle posture.
Action to be taken
Add fuel. If the light is flashing, refuel
as soon as possible.
▼ Check Fuel Cap Warning
Indication/Warning Light
If the check fuel cap warning light
illuminates while driving, the fuel-filler
cap may not be installed properly.
Action to be taken
Stop the engine and reinstall the
fuel-filler cap.
Refer to Refueling on page 3-30.
▼
Engine Oil Level Warning
Indication/Warning Light
This warning light indicates that the
engine oil level is around the MIN
mark (page 6-18).
CAUTION
Do not continue to drive the vehicle
with the engine oil level warning
indication/warning light displayed/
turned on. If the vehicle continues to
be driven with an
insufficient amount
of engine oil, it could cause damage to
the engine.
Action to be taken
Add 1 L (0.26 US gal, 0.22 Imp gal) of
engine oil (page 6-16).
▼ Seat Belt Warning Indication/
Warning Light (Front seat)
The seat belt warning light turns on if
the driver or front passenger's seat is
occupied and the seat belt is not
fastened with the ignition switched
ON.
If the driver or front passenger's seat
belt is unfastened (only when the front
passenger's seat is occupied) and if the
vehicle is driven at about 20 km/h (12
mph) or faster, or about 10 km/h (6
mph) or faster for a continuous 30
seconds, with the seat belt unfastened,
the warning light flashes for a certain
period. After a short time, the warning
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
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Display*1*2*3ContentAction to be taken
Mazda Radar Cruise
Control Canceled. Drive
Safely This message is indicated when the
Mazda Radar Cruise Control with
Stop & Go function (MRCC with Stop
& Go function), and the Traffic Jam
Assist (TJA) have been canceled other
than by the driver.
Have your vehicle inspected by an
Authorized Mazda Dealer.
Distance & Speed Alert
Operation Canceled
Drive Safely This message is indicated when the
Distance & Speed Alert (DSA) have
been canceled other than by the driv-
er.
Have your vehicle inspected by an
Authorized Mazda Dealer.
Cruise Control Opera-
tion Canceled. Drive
Safely This message is indicated when the
Cruise Control have been canceled
other than by the driver.
Have your vehicle inspected by an
Authorized Mazda Dealer.
Emergency Braking Acti-
vated. Depress Brake
Pedal to Hold Stop This message is indicated after the
Smart Brake Support (SBS) brakes op-
erate and when the Smart Brake Sup-
port (SBS) is canceled.
Depress the brake pedal.
Touch Key Fob to Push
Button Start Switch This message is indicated when the
key battery is weak (battery dead or
damaged key). Touch the key against push button
start to start the engine.
Refer to Engine Start Function When
Key Battery is Dead on page 4-7.
Depress Brake Pedal to
Start Vehicle This message is indicated when the
push button start is pressed without
depressing the brake pedal. When starting the engine, press the
push button start with the brake ped-
al depressed.
Check Gear Selector
Lever Position This message is indicated when the
selector lever is shifted to the P or R
position while driving.
Check the selector lever position.
Close Door and Fasten
Seat Belt This message is indicated when AU-
TOHOLD is about to operate and a
door is opened or a seat belt is unfas-
tened. When the AUTOHOLD is turned on,
close the doors and fasten seat belts.
Wiper Blades Must Be
on Windshield Before
Operating This message is indicated when the
ignition is switched ON with the wip-
er arms at the service positions.
Return the wiper arms to the initial
positions.
Windshield Wiper Range
of Motion Reduced. Re-
move Obstruction(s) This message is indicated when there
is snow or dirt accumulation on the
windshield and the wiper operation
range is narrowed.
Remove foreign matter from the
windshield.
Ve h i c l e N o t S w i t c h e d
Off This message is indicated when the
driver’s door is opened without
switching the ignition OFF.
Switch the ignition OFF before leaving
the vehicle.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
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▼Key Left-in-luggage Compartment
Warning Beep (With the advanced
keyless function)
If the key is left in the luggage
compartment with all the doors locked
and the liftgate closed, a beep will be
heard outside for about 10 seconds to
notify the driver that the key is in the
luggage compartment. In this case,
take out the key by pressing the electric
liftgate opener and opening the
liftgate. The key taken out of the
luggage compartment may not operate
because its functions have been
temporarily stopped. To restore the
key's functions, perform the applicable
procedure (page 3-8).
▼Key Left-in-vehicle Warning Beep
(With the advanced keyless
function)
If all the doors and luggage
compartment are locked using another
key while the key is left in the cabin,
the beep which soun
ds outside of the
vehicle will be heard for about 10
seconds to notify the driver that the
key is in the cabin. In this case, take
out the key by opening the door. A key
taken out of the vehicle using this
method may not operate because its
functions have been temporarily
stopped. To restore the key's functions,
perform the applicable procedure
(page 3-8).
▼ Power Liftgate Warning Beep*
If system operation precautions are
necessary, the driver is notified by the
warning sound.
Warning beep What to check
The beep sounds 3
times The conditions re-
quired for the power
liftgate to operate have
not been met, such as
an object being stuck
in the liftgate.
The beep sound con-
tinues The vehicle is being
driven with the liftgate
open. Stop the vehicle
and close the liftgate.
▼
Low Fuel Warning Beep
When the low fuel warning light
flashes, a warning beep is activated
once at the same time.
▼Brake Override Warning Beep
A warning beep is activated when the
accelerator pedal and brake pedal are
depressed at the same time while
driving. Only depress the brake pedal.
▼Shift Position Warning Beep
A sound is activated when the push
button start is pressed while the
selector lever is in a position other
than P, and the ignition is switched to
ACC. Check the selector lever
position.
▼
i-stop Warning Beep*
If the driver's door is opened while
engine idling is stopped, the warning
sound operates to notify the driver
that engine idling is stopped. It stops
when the driver's door is closed.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
7-38*Some models.
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▼Electric Parking Brake (EPB)
War n in g Be ep
The warning buzzer is activated under
the following conditions:
The vehicle is driven with the parking
brake applied.
The Electric Parking Brake (EPB)
switch is pulled while the vehicle is
driven.
You attempt to start driving the
vehicle while the conditions for
releasing the Electric Parking Brake
(EPB) automatically have not been
met.
▼AUTOHOLD Warning Beep
Warning light flashes/message is
displayed and beep sound is activated
simultaneously for about 5 seconds
when using AUTOHOLD function or
when AUTOHOLD switch is operated.
Because a problem with AUTOHOLD
function has occurred, AUTOHOLD
function does not operate even if
AUTOHOLD switch is operated.

If the warning light flashes/message is
displayed and the beep sound is
activated simultaneously, have your
vehicle inspected at an Authorized
Mazda Dealer.
▼
Vehicle Problem Warning Beep
If any of the following problems occur,
a warning beep is activated. Check the
information regarding the warning
indication in the instrument cluster or
on the center display.
Automatic transmission problemIncrease in automatic transmission
internal temperature
Brake
fluid amount decreaseEngine oil level sensor problemElectric Parking Brake (EPB) problemEngine hydraulic pressure decreaseEngine coolant temperature increaseEngine system problem
▼Blind Spot Monitoring (BSM)
System Warning Beep*
The Blind Spot Monitoring (BSM)
warning beep operates when the turn
signal lever is operated to the side
where the Blind Spot Monitoring
(BSM) warning light is illuminated.
▼Rear Cross
Tra ffi c Alert (RCTA)
Warning Beep*
The Rear Cross Traffic Alert (RCTA)
warning beep is activated if there is a
possibility of collision with a vehicle
approaching from the rear on the left
and right sides of the vehicle.
▼ Lane/Road Departure Warning
Beep*
The warning beep is activated when
the system determines that the vehicle
may depart from the lane or the road.
Check whether the vehicle has not
deviated from the driving lane/road.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
*Some models.7-39
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▼Mazda Radar Cruise Control with
Stop & Go function (MRCC with
Stop & Go function) System
Warnings
*
The Mazda Radar Cruise Control with
Stop & Go function (MRCC with Stop
& Go function) system warnings notify
the driver of system malfunctions and
cautions on use when required.
Check based on the beep sound.
Warning beep type Notification content
The beep sounds 1
time while the Mazda
Radar Cruise Control
with Stop & Go func-
tion (MRCC with Stop
& Go function) is op-
erating. If a malfunction occurs
in the system, make
sure that the Mazda
Radar Cruise Control
with Stop & Go func-
tion (MRCC with Stop
& Go function) has
been canceled.
The beep sounds in-
termittently while the
Mazda Radar Cruise
Control with Stop &
Go function (MRCC
with Stop & Go func-
tion) is operating. The distance between
your vehicle and the
vehicle ahead is too
close. Check the safety
of the surrounding
area and reduce vehi-
cle speed.
▼
Excessive Speed Warning*
If the vehicle speed exceeds the speed
limit sign displayed in the active driving
display/instrument cluster, the area
around the speed limit sign flashes in
amber and the warning sound is
activated at the same time. If the
vehicle speed continues to exceed the
displayed speed limit sign, the
indication stops flashing and remains
on.
▼
Collision warning*
If there is a possibility of a collision
with a vehicle ahead, a warning sound
is activated at the same time as the
warning indications are displayed in
the instrument cluster or active driving
display.
▼Door-ajar Warning Beep
A warning beep is activated if the
vehicle is driven with any door or
liftgate ajar. Drive the vehicle after
closing the doors and liftgate.
▼Battery Saving Mode Warning
Sound
A warning sound is activated when the
vehicle goes into Battery Saving Mode.
Refer to Message Indicated on
Multi-information Display on page
7-32.
The warning sound will stop just after
starting the engine.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
7-40*Some models.
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Specifications
▼Engine
Item Specification
SKYACTIV-G 2.5 SKYACTIV-G 2.5T
Type DOHC-16V in-line, 4-cylinder
Bore × Stroke 89.0 × 100 mm (3.50 × 3.94 in)
Displacement 2,488.5 ml (2,488.5 cc)
Compression ratio 13.010.5
▼Electrical System
Classification
Specification
Battery
*1With i-stop LN3 EFB*2
Without i-stop12V-60Ah/20HR
Spark-plug
number SKYACTIV-G 2.5
Mazda Genuine spark
plug
*3PE5R-18-110 or PE5S-18-110
SKYACTIV-G 2.5T Mazda Genuine spark
plug
*3PY8V-18-110
*1 Check the battery installed on the vehicle and us
e a battery with an equal or higher performance.
However, the performance of the battery may vary even among the same battery types, consult an
Authorized Mazda Dealer for replacement.
*2 LN3 EFB is designed for i-stop system (FOR STOP & START). Only LN3 EFB should be used to ensure correct operation of i-stop system (FOR STOP & START). Consult an Authorized Mazda Dealer for
details.
*3 This spark plug provides the SKYACTIV-G engine with optimum performance. Contact an AuthorizedMazda Dealer for details.
CAUTION
When cleaning the iridium plugs, do no t use a wire brush. The fine particulate
coating on the iridium alloy and platinum tips could be damaged.
▼ Lubricant Quality
Lubricant
Classification
Engine oil Refer to Recommended Oil on page 6-16.
Coolant FL-22 type
Automatic transmission fluid
*1Mazda Genuine ATF FZ
Transfer case oil
*2Mazda Long Life Hypoid Gear Oil SG1
Rear differential oil
*2Mazda Long Life Hypoid Gear Oil SG1
Specifications
Specifications
9-4
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LubricantClassification
Brake fluid SAE J1703 or FMVSS116 DOT-3
*1 Periodic replacement is unnecessary.*2 Replacement is necessary when the component is submerged in water.
NOTE
Refer to Introduction on (page 6-2) for owner's responsibility in protecting your
investment.
▼Capacities
(Approximate Quantities)
Item
Capacity
Engine oil SKYACTIV-G 2.5
With oil filter re-
placement
4.5 L (4.8 US qt, 4.0 Imp qt)
Without oil filter re-
placement 4.3 L (4.5 US qt, 3.8 Imp qt)
SKYACTIV-G 2.5T With oil filter re-
placement
4.8 L (5.1 US qt, 4.2 Imp qt)
Without oil filter re-
placement 4.6 L (4.9 US qt, 4.0 Imp qt)
Coolant SKYACTIV-G 2.5
6.8 L (7.2 US qt, 6.0 Imp qt)
SKYACTIV-G 2.5T For engine
8.4 L (8.9 US qt, 7.4 Imp qt)
For water-cooled
charge air cooler 1.6 L (1.7 US qt, 1.4 Imp qt)
Automatic
transmission
fluid SKYACTIV-G 2.5
7.7 L (8.1 US qt, 6.8 Imp qt)
SKYACTIV-G 2.5T 8.0 L (8.5 US qt, 7.0 Imp qt)
Transfer case oil 0.40 L (0.42 US qt, 0.35 Imp qt)
Rear differential oil 0.35 L (0.37 US qt, 0.31 Imp qt)
Fuel tank 60.0 L (15.9 US gal, 13.2 Imp gal)
Check oil and
fluid levels with dipsticks or reservoir gauges.
Specifications
Specifications
9-5
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