2018 MAZDA MODEL 3 HATCHBACK brake

Distance Recognition Support System (DRSS)*
The DRSS measures the distance between your vehicle and a vehicle ahead using a radar
sensor (front) while the vehicle speed is about 30 km/h (19 mph ) or faster, and if your
vehicle approaches a vehicle ahead more closely than what is ap propriate for maintaining
distance between the vehicles according to the vehicle speed, a notification in the active
driving display is indicated to advise you to keep a safe dista nce from the vehicle ahead.
WA R N I N G
Do not rely completely on the DRSS and always drive carefully:
The ability to detect a vehicle ahead is limite d depending on the type of vehicle ahead, the
weather conditions, and the traffic conditions. Therefore, if the accelerator and brake pedals
are not operated correctly it could lead to an accident. Always verify the safety of the
surrounding area and depress the brake pedal or accelerator pedal while keeping a safer
distance from vehicles ahead or on-coming vehicles.
NOTE
The DRSS operates when all of the following conditions are met:
The ignition is switched ON.
The DRSS is on.
The selector lever is in a position other than reverse (R).
The vehicle speed is 30 km/h or faster (19 mph or faster).
The objects which activate the system are 4-wheeled vehicles.
The DRSS may also operate in the presence of motorcycles and bicycles.
The DRSS may not operate normally under the following conditions:
The Dynamic Stability Control (DSC) has a malfunction.
The vehicle ahead is traveling at an extremely slow speed.
The system does not operate with the following objects:
Vehicles approaching in the opposite direction.
Stationary objects (stopped vehicles, obstructions)
When Driving
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Mazda Radar Cruise Control (MRCC)*
The MRCC system is designed to maintain headway control*1 with a vehicle ahead
according to your vehicle's speed using a radar sensor (front) to detect the distance to the
vehicle ahead and a preset vehicle speed without you having to use the accelerator or brake
pedals.
*1 Headway Control: Control of the distance between your vehicle and the vehicle ahead
detected by the MRCC system.
Additionally, if your vehicle starts closing in on the vehicle ahead such as if the vehicle
ahead brakes suddenly, a warning sound and a warning indication in the display are
activated simultaneously to alert you to maintain a sufficient distance between the vehicles.
Also refer to the following before using the MRCC.
Radar sensor (front) (page 4-136)
WA R N I N G
Do not rely completely on the MRCC:
The MRCC system has detection limitations depending on the type of vehicle ahead and its
conditions, the weather conditions, and the road conditions. Additionally, the system may be
unable to decelerate sufficiently to avoid hitting the vehicle ahead if the vehicle ahead applies
the brakes suddenly or another vehicle cuts into the driving lane, which could result in an
accident.
Always drive carefully and verify the surrounding conditions and depress the brake pedal or
accelerator pedal while keeping a safer distance from vehicles ahead or on-coming vehicles.
Do not use the MRCC system in the following locations, using the MRCC system at the
following locations may result in an unexpected accident:
 General roads other than highways (Driving under these conditions using the MRCC system
is not possible.)
 Roads with sharp curves and where vehicle tr affic is heavy and there is insufficient space
between vehicles.
 Roads where frequent and repeti tive acceleration and deceleration occur (Driving under
these conditions using the MRCC system is not possible).
 When entering and exiting interchanges, servic e areas, and parking areas of highways (If
you exit a highway while headway control is in use, the vehicle ahead will no longer be
tracked and your vehicle may accelerate to the set speed).
 Slippery roads such as ice or snow-bound roads (Tires could sp in causing you to lose vehicle
control, or the stop hold control may not operate.)
 Long, descending slopes (to maintain distan ce between vehicles, the system automatically
and continuously applies the brakes which could result in the loss of brake power.)
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Slopes with a steep gradient ( The vehicle ahea d may not be detected correctly, your vehicle
may slide while stopped by the stop hold cont rol, and it may accelerate suddenly after it
starts moving.)
For safety purposes, switch the MRCC system off when it is not being used.
CAUTION
If your vehicle is towed or you are towing something, switch the MRCC system off to prevent a
miss-operation.
NOTE
The MRCC system does not detect the following as physical objects.
Vehicles approaching in the opposite direction
Pedestrians
Stationary objects (stopped vehicles, obstructions)
If a vehicle ahead is traveling at an extremely low speed, the system may not detect it
correctly.
During headway control travel, do not set the system for detection of two-wheeled
vehicles such as motorcycles and bicycles.
Do not use the MRCC system under conditions in which close proximity warnings are
frequently activated.
During headway control travel, the system accelerates and decelerates your vehicle in
conjunction with the speed of the vehicle ahead. However, if it is necessary to accelerate
for a lane change or if the vehicle ahead brakes suddenly causing you to close in on the
vehicle rapidly, accelerate using the accelerator pedal or decelerate using the brake
pedal depending on the conditions.
While the MRCC system is in use, it does not cancel even if the selector lever (automatic
transaxle)/shift lever (manual transaxle) is operated and any intended engine braking will
not occur. If deceleration is required, lower the vehicle speed setting or depress the brake
pedal.
The sound of the automatic brakes operating may be heard, however, it does not indicate
a problem.
The brake lights turn on while the MRCC automatic braking is operating.
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▼Mazda Radar Cruise Control (MRCC) Display Indication
The MRCC setting status and operation conditions are indicated
on the active driving
display.
Vehicle ahead display
MRCC Distance
between vehicle
display
MRCC Set vehicle speed
▼ Close Proximity Warning
If your vehicle rapidly closes in
on the vehicle ahead because the vehicle ahead applies the
brakes suddenly while you are traveling in headway control, the warning sound activates
and the brake warning is indicated in the display. Always verif y the safety of the
surrounding area and depress the brake pedal while keeping a sa fer distance from the
vehicle ahead. Additionally, keep a safer distance from the veh icles behind you.
NOTE
In the following cases, the warnings and brakes may not operate even if your vehicle starts
closing in on the vehicle ahead.
You are driving your vehicle at the same speed as the vehicle ahead.
Directly after the MRCC system has been set.
Directly after the accelerator pedal is released.
Another vehicle cuts into the driving lane.
▼Setting the System
The MRCC system operates when all of the following conditions a
re met.
Vehicle speed is 30 km/h (19 mph) to 145 km/h (90 mph)
The MRCC is turned on.
The brake pedal is not depressed.
The parking brake is released (parking brake indicator light is turned off).
There is no problem with the DSC.
All the doors are closed.
The driver's seat belt is fastened.
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How to change the set vehicle speed
To accelerate/decelerate using the SET
switch
When you press the SET
switch, the
vehicle accelerates and when you press the
SET
switch, it decelerates.
Short press 1 km/h (1 mph)
Long press 10 km/h (5 mph)
NOTE
For example, the set vehicle speed is
changed by pressing the SET switch four
times as follows:
The vehicle speed accelerates or
decelerates by 4 km/h (4 mph).
To increase speed using accelerator
pedal
Depress the accelerator pedal and press
and release the SET
switch or SET
switch at the desired speed. If the switch is
not operated, the system returns to the set
speed after you release your foot from the
accelerator pedal.
CAUTION
The warnings and brake control do not
operate while the accelerator pedal is
depressed.
NOTE
When accelerating using the SET
switch while in headway control, the set
vehicle speed can be adjusted but
acceleration is not possible. If there is
no longer a vehicle ahead, acceleration
continues until reaching the set vehicle
speed. For the set vehicle speed, check
the set vehicle speed indication in the
display.
While depressing the accelerator pedal,
the color of the MRCC indication
changes from green to white.
Canceling the system
If any of the following operations is done,
the MRCC cancels temporarily, the
MRCC set indication (green) switches to
the MRCC main indication (white), and
the MRCC indicator light (green) turns off
at the same time.
The OFF/CAN switch is pressed.
The brake pedal is depressed.
The parking brake is applied.
(Automatic transaxle)
The selector lever i s in the P (Park), N
(Neutral), or R (R everse) position.
(Manual transaxle)
The shift lever is in the reverse (R)
position.
Any of the doors is opened.
The driver's seat belt is unfastened.

Under the following conditions, the
MRCC cancel indication is displayed in
the active driving display and a single
beep sound is heard.
The DSC has operated.
The Smart Brake Support (SBS) has
operated.
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The Smart City Brake Support (SCBS)
has operated.
When traveling on a downslope for a
long period of time.
There is a problem with the system.
The radar sensor (front) cannot detect
target objects (during rain, fog, snow or
other inclement weather conditions, or
when the radiator grille is dirty).
The vehicle speed decreases to less than
25 km (16 mph).
(Manual transaxle)
The shift lever is shifted to neutral (N)
for a certain period of time.
The clutch is depressed for a certain
period of time.
The engine stalls.
Resuming control
If the MRCC system is canceled, you can
resume control at the previously set speed
by pressing the RES switch and after all of
the operation conditions have been met.
NOTE
If the set speed is not indicated in the
display, the control does not resume even
if the RES switch is pressed.
Turning off the system
Press the OFF/CAN switch two times
while the MRCC system is operating to
switch off the system.
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▼Shift-up/Shift-down Request Display (Manual Transaxle)
The shift-up or shift-down reque
st display in the active driving display may be indicated
while the MRCC is operating. Whe n this occurs, shift gears because the gear position is not
appropriate.
Request Display
Shift up
Shift down
NOTE
If the gears are not shifted up even though the shift-up request indication is displayed, load
will be applied to the engine and the MRCC system may be automatically canceled or
engine damage could occur.
▼ Cruise Control Function
While this function is operating, the
headway control operation is canceled and
only the cruise control function operates.
The vehicle speed can be set more than
about 25 km/h (16 mph).
Use the cruise c
ontrol function on
expressways and other highways which do
not require a lot of repeated acceleration
and deceleration.
WA R N I N G
Do not use the cruise control function in
the following locations:
Otherwise, it could lead to an accident.
 Roads with sharp curves and where
vehicle
traffic is heavy and there is
insufficient space between vehicles.
(Driving under these conditions using the
cruise control function is not possible)
 Steep down slopes (Set speed may be
exceeded because
sufficient engine
braking cannot be applied)
 Slippery roads such as ice or snow-bound
roads ( Tires could spin causing you to
lose vehicle control)
Always drive carefully:
The warnings and brake control will not
operate after the headway control function
is canceled and the system is switched to
only the cruise control function. Depress
the brake pedal to decelerate according to
the surrounding conditions while keeping a
safer distance from the vehicle ahead and
always driving carefully.
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Cancelling the function
When the cruise control function is
canceled and the RES switch is pressed
while the vehicle speed is 25 km/h (16
mph) or faster, the speed returns to the
original set speed.
Cancelling using OFF/CAN switch
When the OFF/CAN switch is pressed
once, the cruise control function is
cancelled.
Automatically cancel
The cruise control fu nction is canceled
automatically in the following cases.
The brake pedal is depressed.
The parking brake is applied.
(Manual transaxle)
The clutch pedal is depressed.
The shift lever is shifted to neutral
position.
(Automatic transaxle)
The selector lever is shifted to P or N
position.
NOTE
If the vehicle speed decreases by about
15 km/h (9.4 mph) or more than the set
speed, the cruise control function may
be canceled.
When the vehicle speed is less than 21
km/h (13 mph), the cruise control
function is canceled. In this case, the
vehicle speed will not return to the
original set speed even if the vehicle is
accelerated to 25 km/h (16 mph) or
faster and the RES switch is pressed.
Reset the cruise control function.
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