trailer MAZDA MODEL CX-3 2021 Owners Manual

3Before Driving
Use of various features, including keys, doors, mirrors and windows.
Keys.................................................... 3-2 Keys.............................................. 3-2
Keyless Entry System................... 3-4
Advanced Keyless Entry
System.................................................3-9 Advanced Keyless Entry System
*.....
...................................................... 3-9
Operational Range...................... 3-10
Doors and Locks.............................. 3-11 Door Locks................................. 3-11
Liftgate....................................... 3-19
Fuel and Emission........................... 3-23 Fuel and Engine Exhaust
Precautions................................. 3-23
Fuel-Filler Lid and Cap.............. 3-26
Mirrors............................................. 3-28 Mirrors........................................ 3-28
Windows........................................... 3-30 Power Windows..........................3-30
Moonroof*.................................. 3-33
Security System............................... 3-36 Modification and Add-On
Equipment...................................3-36
Immobilizer System....................3-36
Theft-Deterrent System
*.............3-38
Driving Tips..................................... 3-40 Break-In Period.......................... 3-40
Saving Fuel and Protection of the
Environment............................... 3-40
Hazardous Driving.... ..................3-41
Floor Mat.................................... 3-41
Rocking the Vehicle....................3-42
Winter Driving............................3-42
Driving In Flooded Area............ 3-44
Overloading................................ 3-45
Driving on Uneven Road............ 3-46
Towing.............................................. 3-47 Trailer Towing............................ 3-47
Recreational Towing................... 3-47
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Driving on Uneven Road
Your vehicle's suspension and underbody can be damaged if driven on rough/uneven roads
or over speed bumps at excessive speeds. Use care and reduce speed when traveling on
rough/uneven roads or over speed bumps.

Use care not to damage the vehicle's underbody, bumpers or muffler(s) when driving under
the following conditions:
Ascending or descending a slope with a sharp transition angle
Ascending or descending a driveway or trailer ramp with a sharp transition angle

This vehicle is equipped with low profile tires allowing class-leading performance and
handling. As a result, the sidewall of the tire s are very thin and the tires and wheels can be
damaged if driven through potholes or on r ough/uneven roads at excessive speeds. Use care
and reduce speed when traveling on rough/uneven roads or through potholes.
Before Driving
Driving Tips
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Trailer Towing
Your Mazda is not designed for towing.
Never tow a trailer with your Mazda.
Recreational Towing
An example of "recreational towing" is
towing your vehicle behind a motorhome.
The transaxle is not designed for towing
this vehicle on all 4 wheels.
When doing recreational towing refer to
"Towing Description" (page 7-23) and
"Tiedown Hooks" (page 7-24) and
carefully follow the instructions.
Before Driving
To w i n g
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When there is a difference in the height between your driving lane and the adjacent
lane.
Directly after the BSM system becomes operable by changing the setting.
If the road width is extremely narrow, vehicles 2 lanes over may be detected. The detection
area of the radar sensors (rear) is set according to the road width of expressways.
The BSM warning indicator light may turn on and the vehicle detection screen may be
displayed in the display in reaction to stationary objects (guardrails, tunnels, sidewalls,
and parked vehicles) on the road or the roadside.
Objects such as guardrails and concrete walls
running alongside the vehicle. Places where the width between guardrails or
walls on each side of the vehicle narrows.
The walls at the entrance and exits of tunnels,
turnouts.
A BSM warning indicator light may flash or the warning beep and the warning screen
indicator display may be activated several times when making a turn at a city
intersection.
Turn off the BSM while pulling a trailer or wh
ile an accessory such as a bicycle carrier is
installed to the rear of the vehicle. Otherwise, the radar’s radio waves will be blocked
causing the system to not operate normally.
In the following cases, it may be difficult to view the illumination/flashing of the BSM
warning indicator lights equipped on the door mirrors.
Snow or ice is adhering to the door mirrors.
The front door glass is fogged or covered in snow, frost or dirt.
The radar sensors (rear) of the BSM may be regulated under the radio wave related laws
of the country where the vehicle is driven. The sensors in this system are approved for use
in the U.S.A. (including territories), Canada, and Mexico. If a vehicle with a BSM is
driven in a country other than the U.S.A., Canada, or Mexico, the system has to be turned
off using the BSM OFF switch.
The system switches to the Rear Cross Traffi c Alert function when the shift lever (manual
transaxle) or the selector lever (automatic transaxle) is shifted to the reverse (R) position.
Refer to Rear Cross Traffic Alert (RCTA) on page 4-101.
When Driving
i-ACTIVSENSE
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The battery voltage has decreased.
Under the following conditions, the radar sensors (rear) cannot detect target objects or it
may be difficult to detect them.
The vehicle speed when reversing is about 10 km/h (6.3 mph) or faster.
The radar sensor (rear) detection area is obstructed by a nearby wall or parked vehicle.
(Reverse the vehicle to a position where the radar sensor detection area is no longer
obstructed.)
Your vehicle
A vehicle is approaching directly from the rear of your vehicle.
Your vehicle
The vehicle is parked at an angle.
Your vehicle
Directly after the Blind Spot Monitoring (BSM) system becomes operable using the
personalization feature.
Radio wave interference from a radar sensor equipped on a nearby parked vehicle.
In the following cases, it may be difficult to view the illumination/flashing of the Blind
Spot Monitoring (BSM) warning indicator lights equipped on the door mirrors.
Snow or ice adheres to the door mirrors.
The front door glass is fogged or covered in snow, frost or dirt.
Turn off the RCTA system while pulling a trailer or while an accessory such as a bicycle
carrier is installed to the rear of the vehic le. Otherwise, the radio waves emitted by the
radar will be blocked causing the system to not operate normally.
When Driving
i-ACTIVSENSE
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The surroundings are dark such as during the night, early evening, or early morning, or
in a tunnel or indoor parking lot.
The illumination brightness of the headlights is reduced or the headlight illumination is
weakened due to dirt or a deviated optical axis.
The target object enters the blind spot of the Forward Sensing Camera (FSC).
A person or object bursts onto the road from the shoulder or cuts right in front of you.
You change lanes and approach a vehicle ahead.
When driving extremely close to the target object.
Tire chains or a temporary spare tire is installed.
The vehicle ahead has a special shape. For example, a vehicle towing a trailer house or
a boat, or a vehicle carrier carrying a vehicle with its front pointed rearward.
If the Forward Sensing Camera (FSC) cannot operate normally due to backlight or fog,
the system functions related to the Forward Sensing Camera (FSC) are temporarily
stopped and the following warning lights turn on. However, this does not indicate a
malfunction.
High Beam Control System (HBC) warning light (amber)
Lane Departure Warning System (LDWS) warning light
Mazda Radar Cruise Control with Stop & Go function (MRCC with Stop & Go
function) warning light
Smart Brake Support/Smart City Brake Support (SBS/SCBS) warning light (amber)
If the Forward Sensing Camera (FSC) cannot operate normally due to high temperatures,
the system functions related to the Forward Sensing Camera (FSC) are temporarily
stopped and the following warning lights turn on. However, this does not indicate a
malfunction. Cool down the area around the Forward Sensing Camera (FSC) such as by
turning on the air conditioner.
High Beam Control System (HBC) warning light (amber)
Lane Departure Warning System (LDWS) warning light
Mazda Radar Cruise Control with Stop & Go function (MRCC with Stop & Go
function) warning light
Smart Brake Support/Smart City Brake Support (SBS/SCBS) warning light (amber)
If the Forward Sensing Camera (FSC) detects that the windshield is dirty or foggy, the
system functions related to the Forward Sensing Camera (FSC) are temporarily stopped
and the following warning lights turn on. However, this does not indicate a problem.
Remove the dirt from the windshield or press the defroster switch and defog the
windshield.
High Beam Control System (HBC) warning light (amber)
Lane Departure Warning System (LDWS) warning light
When Driving
i-ACTIVSENSE
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Do not use the front bumper to push other vehi cles or obstructions such as when pulling
out of a parking space. Otherwise, the radar sensor (front) could be hit and its position
deviated.
 Do not remove, disassemble, or modify the radar sensor (front).
 For repairs, replacement or paint work around the radar sensor (front), consult an
Authorized Mazda Dealer.
 Do not modify the suspension. If the suspensi on are modified, the vehicle's posture could
change and the radar sensor (front) may not be able to correctly detect a vehicle ahead or
an obstruction.
NOTE
Under the following conditions, the radar sensor (front) may not be able to detect vehicles
ahead or obstructions correctly and each system may not operate normally.
The rear surface of a vehicle ahead does not reflect radio waves effectively, such as an
unloaded trailer or an automobile with a loading platform covered by a soft top,
vehicles with a hard plastic tailgate, and round-shaped vehicles.
Vehicles ahead with low vehicle height and thus less area for reflecting radio waves.
Visibility is reduced due to a vehicle ahead ca sting off water, snow, or sand from its tires
and onto your windshield.
The luggage compartment is loaded with heavy objects or the rear passenger seats are
occupied.
Ice, snow, or soiling is on the front surface of the front emblem.
During inclement weather such as rain, snow, or sand storms.
When driving near facilities or objects emitting strong radio waves.
Under the following conditions, the radar sensor (front) may not be able to detect vehicles
ahead or obstructions.
The beginning and end of a curve.
Roads with continuous curves.
Narrow lane roads due to road construction or lane closures.
The vehicle ahead enters the radar sensor's blind spot.
The vehicle ahead is running abnormally due to accident or vehicle damage.
Roads with repeated up and down slopes
Driving on poor roads or unpaved roads.
The distance between your vehicle and the vehicle ahead is extremely short.
A vehicle suddenly comes close such as by cutting into the lane.
To prevent incorrect operation of the system, use tires of the same specified size,
manufacturer, brand, and tread pattern on all four wheels. In addition, do not use tires
with significantly different wear patterns or tire pressures on the same vehicle (Including
the temporary spare tire).
If the battery power is weak, the system may not operate correctly.
When Driving
i-ACTIVSENSE
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Vehicle shapes which do not reflect radar waves well such as empty trailers with a low
vehicle height and sports cars.
Vehicles are shipped with the direction of the radar sensors (rear) adjusted for each
vehicle to a loaded vehicle condition so that the radar sensors (rear) detect approaching
vehicles correctly. If the direction of the radar sensors (rear) has deviated for some
reason, have the vehicle inspected at an Authorized Mazda Dealer.
For repairs or replacement of the radar sensors (rear), or bumper repairs, paintwork, and
replacement near the radar sensors, consult an Authorized Mazda Dealer.
Turn off the system while pulling a trailer or while an accessory such as a bicycle carrier
is installed to the rear of the vehicle. Otherwise, the radio waves emitted by the radar will
be blocked causing the system to not operate normally.
The radar sensors are regulated by the relevant radio wave laws of the country in which
the vehicle is driven. If the vehicle is driven abroad, authorization from the country in
which the vehicle is driven may be required.
When Driving
i-ACTIVSENSE
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Ve h i c l e L o a d i n g
WA R N I N G
Do not tow a trailer with this vehicle:
Towing a trailer with this vehicle is dangerous because it has not been designed to tow a
trailer and doing so will affect the drive system which could result in vehicle damage.
This section will guide you in the proper loading of your vehicle, to keep your loaded
vehicle weight within its design rating capability. Properly loading your vehicle will provide
maximum return of vehicle design performance. Before loading your vehicle, familiarize
yourself with the following terms for determin ing your vehicle's weight ratings, from the
vehicle's Safety Certification Label and Tire and Load Information Label:
WA R N I N G
Overloaded Vehicle:
Overloading a vehicle is dangerous. The results of overloading can have serious consequences
in terms of passenger safety. Too much weight on a vehicle's suspension system can cause
spring or shock absorber failure, brake failu re, handling or steering problems, irregular tire
wear, tire failure or other damage.
Overloading makes a vehicle harder to drive an d control. It also increases the distance
required for stopping. In cases of serious overloading, brakes can fail completely, particularly
on steep grades. The load a tire will carry safely is a combination of the size of the tire, its load
range, and corresponding inflation pressure.
Never overload the vehicle and always observe th e vehicle's weight ratings from the vehicle's
Safety Certification and Tire and Load Information labels.
Customer Information and Reporting Safety Defects
Tire Information (U.S.A.)
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Steps for Determining the Correct Load Limit
Steps for Determining Correct Load Limit-
(1) Locate the statement “The combined weight of occupants and cargo should never
exceed XXX kg or XXX lbs.” on your vehicle's placard.
(2) Determine the combined weight of the driver and passengers that will be riding in your vehicle.
(3) Subtract the combined weig ht of the driver and passengers from XXX kg or XXX lbs.
(4) The resulting figure equals the available am ount of cargo and luggage load capacity. For
example, if the “XXX” amount equals 1400 lbs. and there will be five 150 lb passengers
in your vehicle, the amount of available cargo and luggage load capacity is 650 lbs.
(1400 － 750 (5 × 150) = 650 lbs.)
(5) Determine the combined weight of luggage and cargo being loaded on the vehicle. That
weight may not safely exceed the available cargo and luggage load capacity calculated
in Step 4.
(6) If your vehicle will be towing a trailer, load from your trailer will be transferred to your
vehicle. Consult this manual to determine how this reduces the available cargo and
luggage load capacity of your vehicle.
Customer Information and Reporting Safety Defects
Tire Information (U.S.A.)
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