reset MAZDA MODEL CX-3 2021 Owner's Guide

▼Schedule 1
U.S.A. and Puerto Rico residents - En
gine oil flexible maintenance interval
Use when the maintenance monitor for "Oil Change" is set to "Flexible". For details,
see maintenance monitor. (page 6-14)
Maintenance IntervalNumber of months or kilometers (miles), whichever comes first.
Months 12 24 36 48 60 72 84 96
×1000 km 12 24 36 48 60 72 84 96
×1000 miles 7.5 15 22.5 30 37.5 45 52.5 60
Spark plugs Replace every 120,000 km (75,000 miles).
Air filter RR
Drive belts II
Engine oil & filter
*1Replace when wrench indicator lig ht is ON. (Max interval:12
months or 12,000 km (7,500 miles))
Engine coolant
*2Replace at first 192,000 km (120,0 00 miles) or 10 years; after
that, every 96,000 km (60,000 miles) or 5 years.
Fuel lines and hoses
*3IIII
Hoses and tubes for emission
*3II
Brake lines, hoses and connections I I I I
Disc brakes IIIIIIII
Tire (Rotation) Rotate every 12,000 km (7,500 miles).
Steering operation and linkages II II
Front and rear suspensi on, ball joints and wheel
bearing axial play IIII
Driveshaft dust boots II II
Bolts and nuts on chassis and body TTTT
Exhaust system and heat shields I
Emergency flat tire repair kit (if equipped)
*4Inspect annually.
Cabin air filter R R R R
Chart symbols:
I: Inspect: Inspect and clean, repair, adju st, fill up, or replace if necessary.
R: Replace
L: Lubricate
C: Clean
T: Tighten
D: Drain
Remarks:
*1 The engine oil and filter must be ch anged at least once a year or within 12,000 km (7,500 miles) since last
engine oil and filter change. Reset the engine oil data whenever replacing the engine oil regardless of the
message/wrench indicator light display.
Maintenance and Care
Scheduled Maintenance
6-5
CX-3_8JL1-EA-20G_Edition1_old 2020-5-22 15:31:00

Maintenance IntervalNumber of months or kilometers (miles), whichever comes first.
Months 6 1218243036424854606672
×1000 km 8 1624324048566472808896
×1000 miles 5 10 15 20 25 30 35 40 45 50 55 60
Cabin air filter Replace every 40,000 km (25,000 miles) or 2 years.
Chart symbols:
I: Inspect: Inspect and clean, repair, adju st, fill up, or replace if necessary.
R: Replace
L: Lubricate
C: Clean
T: Tighten
D: Drain
Remarks:
*1 If the vehicle is operated in very dusty or sandy areas, clean and if necessary, replace the air filter more often
than the recommended intervals.
*2 Engine oil flexible maintenance is available for U.S.A. and Puerto Rico residents whose vehicle is operated
mainly where none of the following conditions apply.
Extended periods of idling or low-speed operation such as police car, taxi or driving school carDriving in dusty conditions
If any do apply, follow fixed maintenance.
The engine oil and filter must be changed at least once a year or within 12,000 km (7,500 miles) since last
engine oil and filter change. Reset the engine oil data whenever replacing the engine oil regardless of the
message/wrench indicator light display.
*3 Use of FL-22 is recommended when replacing engine coolant. Using engine coolant other than FL-22 may cause serious damage to the engine and cooling system.
*4 According to state/provincial and federal regulations , failure to perform maintenance on these items will not
void your emissions warranties. However, Mazda recomme nds that all maintenance services be performed at
the recommended time or mileage/kilometer period to ensure long-term reliability.
*5 Check the tire repair fluid expiration date every year when performing the periodic maintenance. Replace the
tire repair fluid bottle with new one before the expiration date.

Canada residents
Maintenance Interval Number of months or kilometers (miles), whichever comes first.
Months 6 1218243036424854606672
×1000 km 8 1624324048566472808896
×1000 miles 5 10 15 20 25 30 35 40 45 50 55 60
Spark plugs Replace every 120,000 km (75,000 miles).
Air filter IIIIIIIIIIII
Replace every 56,000 km (35,000 miles) or 3 years.
Drive belts II
Engine oil & filter R R R R R R R R R R R R
Maintenance and Care
Scheduled Maintenance
6-7
CX-3_8JL1-EA-20G_Edition1_old 2020-5-22 15:31:00

Maintenance Monitor
▼Maintenance Monitor (Type A audio)
“Oil Change” with
a flexible setting*1 is available. Consult your Authorized Mazda Dealer
when you want to change the setting
*2. Once the system turns on, the wrench indicator light
in the instrument cluster will be illuminated when remaining oil life becomes less than 1,000
km (600 mile), or remaining days are less than 15 (whichever comes first).
Reset method
Press and hold the selector with the ignition switched off, then switch it on. Keep pressing
the selector for more than 5 seconds. The master warning light will flash for a few seconds
when the reset is completed.
Selector
*1 The flexible setting is available in the Un ited States and Puerto Rico. Based on the
engine operating conditions, the onboard co mputer in your vehicle calculates the
remaining oil life. Mazda Genuine 0W-2 0 oil is required to achieve optimum
performance.
*2 Once the Flexible Oil Maintenance Setting is selected, the system must be reset
whenever replacing the engine oil.
Maintenance and Care
Scheduled Maintenance
6-14
CX-3_8JL1-EA-20G_Edition1_old 2020-5-22 15:31:00

▼Maintenance Monitor (Type B audio)
1. Select the icon on the home screen to display the Applications screen.
2. Select “Vehicle Status Monitor”.
3. Select “Maintenance” to display the maintenance list screen.
4. Switch the tab and select the setting item you want to change.
You can customize settings in the setup display as follows:
Ta bI t e m E x p l a n a t i o n
Scheduled Setting
Notification can be switched on/off.
Time (months) Displays the time or distance until maintenance is due.
Select this item to set the maintenance period.
The wrench indication/indicator light in the instrument cluster
will be illuminated when the remain ing distance is less than 1,000
km or 600 mile, or the remaining number of days is less than 15
(whichever comes first).
Distance (km or mile)
Reset
Resets the time and distance to the initial values.
Once the system turns on, it need
s to be reset whenever carrying
out maintenance.
Tire Rotation Setting
Notification can be switched on/off.
Distance (km or mile) Displays the distance until tire rotation is due.
Select this item to set the tire rotation distance.
The wrench indication/indicator light in the instrument cluster
will be illuminated when the remain
ing distance is less than 1,000
km or 600 mile.
Reset Resets the remaining distance to the initial value.
Once the system turns on, it needs to be reset whenever rotating
the tires.
Maintenance and Care
Scheduled Maintenance
6-15
CX-3_8JL1-EA-20G_Edition1_old
2020-5-22 15:31:00

Ta bI t e m E x p l a n a t i o n
Oil Change Setting Interval
Oil replacement period can be sel
ected from the flexible setting
or fixed setting.
The flexible setting is available only in the United States and Pu ‐
erto Rico. Once engine oil flexib le maintenance is selected, the
vehicle calculates the remaining oil life based on the engine oper ‐
ating conditions. The vehicle lets you know when an oil change is
due by illuminating the wrench indicator light in the instrument
cluster. Mazda Genuine 0W-20 oil is required to achieve optimum
performance.
Distance (km or mile)
(Displays only in fixed set ‐
ting) Displays the distance until the oil replacement is due.
Select this item to set the oil replacement distance.
The wrench indication/indicator lig
ht in the instrument cluster
will be illuminated when the remaining distance is less than 1,000
km or 600 mile.
Oil life (km or mile)
(Displays only in flexible
setting) Displays the engine oil life until the oil replacement is due.
The wrench indication/indicator lig
ht in the instrument cluster
will be illuminated when the remaining oil life distance is less
than 1,000 km or 600 mile.
Reset Resets the remaining distance to the initial value.
Once the system turns on, it need
s to be reset whenever replacing
the engine oil.
Maintenance and Care
Scheduled Maintenance
6-16
CX-3_8JL1-EA-20G_Edition1_old 2020-5-22 15:31:00

▼Vehicle Engine Control Unit Reset Procedure
NOTE
This procedure is intended for vehicles with
the engine oil flexible maintenance setting
selected.
After replacing the engine oil, have a repa ir shop such as an Authorized Mazda Dealer
perform the initialization (engine oil data rese tting) of the recorded value. If the value
recorded by the computer is not initialized, the wrench indicator light may not turn off or it
may turn on earlier than normal.
NOTE
The initialization (engine oil data resetting) of the recorded value can be performed using
the following procedure:
1. Switch the ignition OFF.
2. Switch the ignition ON with the selector pressed and continue pressing the selector for
about 5 seconds until the master warning light
flashes.

Selector
3. After the master warning light flashes for several seconds, the initialization is
completed.
▼ Inspecting Engine Oil Level
1. Be sure the vehicle is on a level
surface.
2. Warm up the engine to normal operating temperature.
3. Turn it off and wait at least 5 minutes
for the oil to return to the oil pan.
Maintenance and Care
Owner Maintenance
6-24
CX-3_8JL1-EA-20G_Edition1_old 2020-5-22 15:31:00

ItemFeatureFactory Set
‐
ting Available Settings Settings
Change
Method
Fuel economy resetting
procedure Linkage/non-linkage with fuel
economy reset and trip meter
reset
Off
On/Off B ―
Active Driving Display (page 4-18)
Display Setting can be changed so that
the Active Driving Display is
not displayed.
On On/Off C
―
The display height (up/down
position) can be changed. 013 steps up/down
from initial setting (total: 27 steps) C
―
The method for adjusting the
display brightness (automatical ‐
ly/manually) can be changed. Auto Auto/Man. C
―
The standard brightness while
automatic adjustment is select‐
ed can be changed using the
brightness adjustment. 0
2 steps up/down from
initial setting (total: 5 steps) C
―
The standard brightness while
manual adjustment is selected
can be changed using the
brightness adjustment. 0
20 steps up/down
from initial setting (total: 41 steps) C
―
Navigation guidance Display/non-display OnOn/Off C ―
*1 Though these systems can be turned Off, doing so will defeat the purpose of the system and Mazda
recommends that these systems remain On.
*2 For vehicles with an audio system other than the on-screen function type, the warning sound cannot be changed. The warning sound is only a beep.
*3 Only the volume of the warning beep during Blind Spot Monitoring (BSM) operation can be changed. The volume of the warning beep during Rear Cross Traffic Alert (RCTA) operation cannot be changed.
*4 This system functions only when the navigation system is functioning.*5 If the auto-wiper control is set to Off, the wiper lever position is set to intermittent operation.*6 If the setting is changed to Off, the following opera tion is performed according to the headlight switch
position:
At position: Headlights turn off immediately after the ignition is switched off.At any position other than : Headlights do not turn off after the ignition is switched off.*7 When set to Off, the lights-on reminder is operable.*8 The setting of the lights-on reminder can be changed with the time setting of auto headlight off function set to Off.
Refer to Lights-On Reminder on page 7-42.
*9 The operation may stop in 15 minutes due to the effect of the outside temperature even if the operation time of
the rear window defogger has been changed to Continuous.
*10 Available only in display from the center display.
Specifications
Personalization Features
9-13
CX-3_8JL1-EA-20G_Edition1_old 2020-5-22 15:31:00