2020 MAZDA MODEL 3 HATCHBACK four wheel drive

Distance & Speed Alert(DSA)
*
▼Distance & Speed Alert (DSA)
The DSA is a system which provides
advice for maintai
ning the appropriate
distance between vehicles and notifies the
driver of the recommended, safe distance
to maintain with a vehicle ahead. The
system measures the distance between
your vehicle and a vehicle ahead while the
vehicle speed is about 30 km/h (19 mph)
or faster. If the distance between your
vehicle and a vehicle ahead is close, the
system alerts the driver of a possible
collision using an indication on the
display.
WA R N I N G
Do not rely completely on the DSA:
The ability of the system to detect a vehicle
ahead is limited depending on the type of
vehicle ahead, weather conditions, or
traffic conditions. In addition, the system is
not for maintaining the distance between
your vehicle and a vehicle ahead. If you
neglect to operate the accelerator and
brake pedals correctly, it could lead to an
accident. Always check the safety of the
surrounding area and depress the brake
pedal or accelerator pedal while keeping a
safe distance from vehicles ahead or
on-coming vehicles.
Operation conditions
The DSA operates when the following
conditions are all met.
The ignition is switched ON.
The DSA is turned on.
The shift lever (manual transmission
vehicle) or the selector lever (automatic
transmission vehicle) is in a position
other than R.
The vehicle speed is about 30 km/h (19
mph) or faster.
i-ACTIVSENSE status symbol
(warning/risk avoidance support system)
(green) is displayed.
NOTE
The objects which activate the system
are four-wheeled vehicles.
The DSA may also operate in the
presence of motorcycles and bicycles.
The DSA may not operate normally
when the speed of a vehicle ahead is too
slow.
The system does not operate with the
following objects.
Vehicles approaching in the opposite
direction.
Stationary objects (stopped vehicles,
obstructions)
The DSA can be set to inoperable.
(If only the DSA is turned off)
Refer to the Settings section in the
Mazda Connect Owner's Manual.
(If the DSA is turned off by operating
the i-ACTIVSENSE switch)
Refer to i-ACTIVSENSE Switch on
page 4-87.
When Driving
i-ACTIVSENSE
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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 on roads with little traffic
and few vehicles ahead or obstructions
for the front radar sensor to detect,
“Safety and Driver Support Systems
Temporarily Disabled. Front Radar
Obscured. Drive Safely” may be
temporarily displayed, however, this
does not indicate a problem.
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.
Front Side Radar Sensor*
▼Front Side Radar Sensor
Your vehicle is equipped with front side
radar sensor. The following systems also
use the front side radar sensor.
Front Cross Traffic Alert (FCTA)
The front side radar sensor function by
detecting the radio waves reflected off a
vehicle approaching from the front or an
obstruction sent from the radar sensor.
1. Front side radar sensor

The front side radar sensor are installed
inside the front bumper, one each on the
left and right sides.
Always keep the surface of the front
bumper near the front side radar sensor
clean so that the front side radar sensor
operate normally. Also, do not apply items
such as stickers.
Refer to Exterior Care on page 6-44.
CAUTION
If the front bumper receives a severe
impact, the system may no longer operate
normally. Stop the system immediately and
have the vehicle inspected at an
Authorized Mazda Dealer.
When Driving
i-ACTIVSENSE
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Tires
▼Tires
For reasons of proper
performance, safety,
and better fuel economy, always maintain
recommended tire inflation pressures and
stay within the recommended load limits
and weight distribution.
WA R N I N G
Using Different Tire Types:
Driving your vehicle with different types of
tires is dangerous. It could cause poor
handling and poor braking; leading to loss
of control.
Except for the limited use of the temporary
spare tire, use only the same type tires
(radial, bias-belted, bias-type) on all four
wheels.
Using Wrong-Sized Tires:
Using any other tire size than what is
specified for the vehicle (page 9-9) is
dangerous. It could seriously affect ride,
handling, ground clearance, tire clearance,
and speedometer calibration. This could
cause you to have an accident. Use only
tires that are the correct size specified for
the vehicle.
▼ Tire Inflation Pressure
WA R N I N G
Always
inflate the tires to the correct
pressure:
Overinflation or
underinflation of tires is
dangerous. Adverse handling or
unexpected tire failure could result in a
serious accident.
Refer to Tires on page 9-9.
Use only a Mazda-genuine tire valve cap:
Use of a non-genuine part is dangerous as
the correct tire air pressure cannot be
maintained if the tire valve becomes
damaged. If the vehicle is driven under this
condition, the tire air pressure will decrease
which could result in a serious accident. Do
not use any part for the tire valve cap that
is not a Mazda-genuine part.
Inspect all tire pressures monthly
(including the spare) when the tires are
cold. Maintain recommended pressures for
the best ride, handling, and minimum tire
wear.
Refer to the specification charts (page
9-9).
NOTE
Always check tire pressure when tires
are cold.
Warm tires normally exceed
recommended pressures. Do not release
air from warm tires to adjust the
pressure.
Maintenance and Care
Owner Maintenance
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To w i n g D e s c r i p t i o n
▼Towing Description
We recommend that towing be done only
by an Authorized Mazda Dealer or a
commercial tow-truck service.

Proper lifting and towing are necessary to
prevent damage to the vehicle. Particularly
when towing an AWD
vehicle, where all
the wheels are connected to the drive train,
proper transporting of the vehicle is
absolutely essential to avoid damaging the
drive system. Government and local laws
must be followed.
1. Wheel dollies

A towed FWD vehicle should have its
drive wheels (front wheels) off the ground.
If excessive damage or other conditions
prevent this, use wheel dollies.

When towing a FWD ve hicle with the rear
wheels on the ground, release the parking
brake.
Refer to Electric Par king Brake (EPB) on
page 4-64.

A towed AWD vehicle must have all its
wheels off the ground.
WA R N I N G
Always tow an AWD vehicle with all four
wheels off the ground:
Towing an AWD vehicle with either the
front or rear wheels on the ground is
dangerous as the drive train could be
damaged, or the vehicle could trail away
from the tow truck and cause an accident.
If the drive train has been damaged,
transport the vehicle on a flatbed truck.
CAUTION
 Do not tow the vehicle pointed backward
with driving wheels on the ground. This
may cause internal damage to the
transmission.
If Trouble Arises
Emergency Towing
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