2021 MAZDA MODEL 6 maintenance schedule

About the SCR system
WARNING
Be careful not to allow the DEF to run out. If the DEF completely runs out, the SCR system will
not operate normally:
If the vehicle runs out of DEF, the vehicle speed is restricted in steps to prevent contaminants
from being exhausted. When the remaining dist ance-to-empty reaches 0 km (0 miles) in the
final stage, the engine is forced
to idle. For replenishment of the DEF supply, consult an
Authorized Mazda Dealer.
CAUTION
Use a Mazda genuine product or a product conforming to ISO22241-1 for DEF. If
incompatible DEF is used, the SCR system may not operate normally. For the recommended
DEF, consult the nearest Authorized Mazda Dealer.
NOTE
When the remaining distance-to-empty is 640 km (400 miles) or shorter while the DEF
warning indication is displayed, the SCR warning light turns on and the vehicle speed is
restricted. In addition, if there is a problem with the SCR system/DEF and the remaining
distance-to-empty is 200 km (125 miles) or sh orter, the SCR warning light flashes and the
vehicle speed is restricted.
DEF needs to be replenished periodically according to the scheduled maintenance
information. If a warning message is displa yed in the multi-information display or the
SCR warning light flashes, consult an Authorized Mazda Dealer.
Normally, the vehicle can be driven about 12,000 km (7,500 miles) before the DEF needs
to be replenished.
Before Driving
Fuel and Emission
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Break-In Period
No special break-in is necessary, but a few
precautions in the first 1,000 km (600
miles) may add to the performance,
economy, and life of the vehicle.
Do not race the engine.
Do not maintain one constant speed,
either slow or fast, for a long period of
time.
Do not drive constantly at full-throttle or
high engine rpm for e xtended periods of
time.
Avoid unnecessary hard stops.
Avoid full-throttle starts.
Saving Fuel and Protection of the Environment
How you operate your Mazda determines
how far it will travel on a tank of fuel. Use
these suggestions to help save fuel and
reduce CO
2.
Avoid long warm-ups. Once the engine
runs smoothly, begin driving.
Avoid fast starts.
Drive at lower speeds.
Anticipate when to apply the brakes
(avoid sudden braking).
Follow the maintenance schedule (page
6-4) and have an Authorized Mazda
Dealer perform inspections and
servicing.
Use the air conditioner only when
necessary.
Slow down on rough roads.
Keep the tires properly inflated.
Do not carry unnecessary weight.
Do not rest your foot on the brake pedal
while driving.
Keep the wheels in correct alignment.
Keep windows closed at high speeds.
Slow down when driving in crosswinds
and headwinds.
WA R N I N G
Never stop the engine when going down a
hill:
Stopping the engine when going down a
hill is dangerous. This causes the loss of
power steering and power brake control,
and may cause damage to the drivetrain.
Any loss of steering or braking control
could cause an accident.
Before Driving
Driving Tips
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Turbocharger Information (SKYACTIV-G 2.5T,SKYACTIV-D 2.2)
CAUTION
After driving at freeway speeds or up a long h ill, idle the engine at least 30 seconds before
stopping it. Otherwise, the turbocharger could be damaged.
 Racing or over-revving the engine, particularly after it's just been started, can damage the
turbocharger.
 To protect the engine from damage, the engine is designed so that it cannot be raced just
after starting it in extremely cold weather.
The turbocharger greatly enhances engine power. Its advanced design provides improved
operation and requires minimum maintenance.

To get the most from it, observe the following.
1. Change engine oil and filter according to Scheduled Maintenan ce (page 6-4).
2. Use only recommended engine oil (page 6-22). Extra additives are NOT recommended.
Before Driving
Driving Tips
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▼Maintenance Monitor (Except
SKYACTIV-D 2.2)
The following maintenance period
notifications can be displayed by turning
the Maintenance Monitor on.
Scheduled Maintenance
Tire Rotation
Oil Change
When the remaining days to the
maintenance period is 15 days or less, or
the remaining distance is 1,000 km (600
miles) or shorter, a m essage is indicated
when the ignition is switched ON.
For the setting method and indications for
the maintenance monitor, refer to the
Maintenance Monitor.
Refer to the Information section in the
Mazda Connect Owner's Manual.
▼ Remaining Diesel Exhaust Fluid
(DEF) and Maximum Driving
Distance Display (SKYACTIV-D
2.2)
The remaining amount of DEF and the
remaining-distance-to-empty indications
are displayed when the ignition is
switched ON.

If the remaining amount of DEF is low or
there is a problem with the Selective
Catalytic Reducti
on (SCR) system and
there is less maximum remaining driving
distance, the remaining-distance-to-empty
indication is continuously displayed.

If the remaining amount of DEF is low or
there is a problem w ith the SCR system,
the SCR warning light turns on/flashes and
a warning message is displayed.
Refer to Selective Ca talytic Reduction
(SCR) System Indications on page 4-237.
▼ Blind Spot Monitoring (BSM)
Display
Displays the system status.

Refer to Blind Spot M
onitoring (BSM) on
page 4-126.
When Driving
Instrument Cluster and Display
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▼Average Fuel Economy
The average fuel economy is calculated
every minute from the total traveled
distance on the trip met
er and the total fuel
consumption, and the average fuel
economy for either TRIP A or TRIP B is
displayed.

The average fuel economy and trip meters
can be reset by pressing the INFO switch
for 1.5 seconds or more while in each
mode. After the data is cleared, the fuel
consumption is recalculated and the - - -
km/L (- - - mpg) for t he 1 minute prior to
it being displayed is indicated.
▼ Current Fuel Economy
This displays the current fuel economy by
calculating the amount of fuel
consumption and the distance traveled.

NOTE
Indicates the 0 position when the vehicle
speed is about 5 km/h (3 mph) or slower.
▼Maintenance Monitor (Except
SKYACTIV-D 2.2)
The following maintenance period
notifications can be
displayed by turning
the Maintenance Monitor on.
Scheduled Maintenance
Tire Rotation
Oil Change
When the remaining days to the
maintenance period is 15 days or less, or
the remaining distance is 1,000 km (600
miles) or shor ter, a message is indicated
when the ignition is switched ON.
For the setting method and indications for
the maintenance monitor, refer to the
Maintenance Monitor.
Refer to the Information section in the
Mazda Connect Owner's Manual.
When Driving
Instrument Cluster and Display
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Selective Catalytic Reduction (SCR) System(SKYACTIV-D 2.2)
The SCR system is designed to reduce nitrogen oxide (NOx) in the exhaust gas and purify
the exhaust gas by injecting it w ith Diesel Exhaust Fluid (DEF).
WARNING
Be careful not to allow the DEF to run out. If the DEF completely runs out, the SCR system will
not operate normally.
When the remaining DEF is low, a message is displayed on the multi-information display, and
the SCR warning light turns on/flashes.
Refer to Selective Catalytic Reduction (SCR) System Indications on page 4-237.
In this case, consult an Authorized Mazda De aler. If DEF needs to be replenished, add DEF
following the specified procedure.
Refer to Diesel Exhaust Fluid (DEF) Replenishment on page 6-30.
NOTE
DEF needs to be replenished periodically according to the scheduled maintenance
information.
Normally, the vehicle can be driven about 12,000 km (7,500 miles) before the DEF needs
to be replenished. However, it may need to be replenished earlier depending on the
driving and environmental conditions (such as putting a high load on the engine while
driving or driving the vehicle at high altitudes).
The sound of the SCR system operating may be heard from the area under the vehicle,
however, this does not indicate a problem.
▼ Selective Catalytic Reduction
(SCR) System Indications
As the remaining amount of Diesel Exhaust Fluid (DEF) lowers, t he SCR system notifies
the driver using the fo llowing indications.
The vehicle speed may be restric ted for a while even if the warning light turns off after
replenishing the DEF. To cancel the vehicle speed restriction i mmediately, switch the
ignition OFF after the warning li ght turns off and then switch the ignition ON again.
Status Warning sound SCR warn‐
ing light Multi-information
display indication Driving restric‐
tion
Remaining DEF has
decreased
(Maximum driving dis‐
tance : 966 km (600
miles) or less) Sound is activated when igni‐
tion is switched ON
Turns off
None
When Driving
Selective Catalytic Re
duction (SCR) System
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6Maintenance and Care
How to keep your Mazda in top condition.
Essential Information........................6-2 Introduction.................................. 6-2
Scheduled Maintenance.................... 6-4 Scheduled Maintenance (U.S.A.,
Canada, and Puerto Rico)............. 6-4
Scheduled Maintenance
(Mexico)..................................... 6-11
Owner Maintenance........................ 6-16 Owner Maintenance
Precautions................................. 6-16
Hood........................................... 6-18
Engine Compartment
Overview.................................... 6-20
Engine Oil...................................6-22
Engine Coolant........................... 6-26
Brake Fluid............ ..................... 6-28
Washer Fluid............................... 6-29
Diesel Exhaust Fluid (DEF)
(SKYACTIV-D 2.2).................... 6-30
Body Lubrication...... .................. 6-34
Wiper Blades.............................. 6-35
Battery........................................ 6-39
Key Battery Replacement........... 6-41
Tires............................................ 6-44
Light Bulbs................................. 6-48
Fuses........................................... 6-52
Appearance Care............................. 6-59 Exterior Care.............................. 6-59
Interior Care................................6-65
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Introduction
Be careful not to hurt yourself when inspecting your vehicle, replacing a tire, or doing some
kind of maintenance such as car w ashing. In particular, wear thick work gloves such as
cotton gloves when touching areas that are difficult to see whi le inspecting or working on
your vehicle. Doing inspections or procedures with your bare ha nds could cause injury.

If you are unsure about any procedure this manual describes, we strongly urge you to have a
reliable and qualified service shop perform the work, preferabl y an Authorized Mazda
Dealer.

Factory-trained Mazda technicians and genuine Mazda parts are b est for your vehicle.
Without this expertise and the parts that have been designed an d made especially for your
Mazda, inadequate, incomplete, and insufficient servicing may r esult in problems. This
could lead to vehicle damage or an accident and injuries.

For expert advice and quality service, consult an Authorized Ma zda Dealer.

To continue warranty eligibility and to protect your investment , it is your responsibility to
properly maintain your vehicle according to factory recommended schedules outlined in this
manual. As part of this you mu st keep your maintenance records, receipts, repair orders and
any other documents as evidence this maintenance was performed. You must present these
documents, should any warranty coverage disagreement occur. Fai lure to do so can result in
your warranty being voided ei ther in whole or in part.

This evidence may consist of the following:
The Mazda Scheduled Maintenance Record, refer to the Warranty B ooklet, must be
completely filled out showing mileage, repair order number, dat e for each service, and
signed by a qualified automotive service technician who service vehicles.
Original copies of repair orders or other receipts that include the mileage and date the
vehicle was serviced. Each receipt should be signed by a qualified automotive service
technician.
For self maintenance, a statement that you completed the mainte nance yourself,
displaying mileage and the date t he work was performed. Also, receipts for the
replacement parts (fluid, filters , etc.) indicating the date and mileage must accompany this
statement.

Maintenance and Care
Essential Information
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