2018 MAZDA MODEL 3 HATCHBACK cruise control

Radar Sensor (Front)
Your vehicle is equipped with a radar sensor (front).
The following systems also use the radar sensor (front).
Distance Recognition Support System (DRSS)
Mazda Radar Cruise Control (MRCC)
Smart Brake Support (SBS)
The radar sensor (front) function s by detecting the radio waves reflected off a vehicle ahead
or an obstruction sent from the radar sensor.
The radar sensor (front) is m ounted behind the front emblem.
Radar sensor (front)
If the Smart Brake Support/Smart City Brake Support (SBS/SCBS) Warning Light (amber)
is illuminated, the area around the radar sensor may be dirty. Refer to “Warning Guidance”
in the center display (Type B audio).
Refer to If a Warning Light Turns On or Flashes on page 7-25.
CAUTION
Heed the following precautions to assure correct operation of each system.
Do not adhere stickers (includi ng transparent stickers) to the surface of the radiator grille
and front emblem in and around the radar sensor (front), and do not replace the radiator
grille and front emblem with any product that is not a genuine product designed for use
with the radar sensor (front).
 The radar sensor (front) includes a function for detecting soiling of the radar sensor's front
surface and informing the driver, however, de pending on the conditions, it may require time
to detect or it may not detect plastic shopping bags, ice or snow. If this occurs, the system
may not operate correctly, therefore always keep the radar sensor (front) clean.
 Do not install a grille guard.
 If the front part of the vehicle has been dama ged in a vehicle accident, the position of the
radar sensor (front) may have moved. Stop the system immediately and always have the
vehicle inspected at an Authorized Mazda Dealer.
When Driving
i-ACTIVSENSE
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Cruise Control*
With cruise control, you can set and automatically maintain any speed of more than about
25 km/h (16 mph).
WA R N I N G
Do not use the cruise control under the following conditions:
Using the cruise control under the following cond itions is dangerous and could result in loss of
vehicle control.
 Hilly terrain
 Steep inclines
 Heavy or unsteady
traffic
 Slippery or winding roads
 Similar restrictions that require inconsistent speed
▼ Cruise Control Switch
ON switch RES/+ switch
SET- switch
OFF/CAN
switch
When Driving
Cruise Control
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NOTE
If your Mazda has the following steering switch, your Mazda is equipped with the Mazda
Radar Cruise Control (MRCC) system.
Refer to Mazda Radar Cruise Control (MRCC) on page 4-102.
CANCEL switchRES switch
OFF switch
switch switchMODE switch
SET- switch
SET+ switch
▼
Cruise Main Indication (White),
Cruise Set Indication (white)/
Indicator Light (Green)
Cruise main indication (white)
The cruise main indication (white) is
displayed in the instrument cluster when
the cruise control system is activated.
Cruise set indication (white)/indicator
light (green)
The cruise set indication (white) is
displayed in the instrument cluster and the
cruise set indicator light (green) turns on
when a cruising sp
eed has been set.
▼Activation/Deactivation
To activate the system, press the ON
switch. The cruise main indication (white)
is displayed.
To deactivate the system, press the
OFF/CAN switch.
The cruise main indication (white) turns
off.
WA R N I N G
Always turn off the cruise control system
when it is not in use:
Leaving the cruise control system in an
activation-ready state while the cruise
control is not in use is dangerous as the
cruise control could unexpectedly activate
if the activation button is accidentally
pressed, and result in loss of vehicle control
and an accident.
When Driving
Cruise Control
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NOTE
When the ignition is switched OFF, the
system status before it was turned off is
maintained. For example, if the ignition is
switched OFF with the cruise control
system operable, the system will be
operable when the ignition is switched ON
the next time.
▼To Set Speed
1. Activate the cruise control system by
pressing the ON switch. The cruise
main indication (wh ite) is displayed.
2. Accelerate to the desired speed, which must be more than 25 km/h (16 mph).
3. Set the cruise control by pressing the SET
switch at the desired speed. The
cruise control is set at the moment the
SET
switch is pressed. Release the
accelerator pedal simultaneously. The
cruise set indication (white) is
displayed and the cruise set indicator
light (green) turns on.
NOTE
The cruise control speed setting cannot
be performed under the following
conditions:
(Automatic transaxle)
The selector lever is in the P or N
position.
(Manual transaxle)
The shift lever is in the neutral
position.
The parking brake is applied.
Release the SET or RES/ switch at
the desired speed, otherwise the speed
will continue increasing while the RES/
switch is pressed and held, and
continue decreasing while the SET
switch is pressed and held (except when
the accelerator pedal is depressed).
On a steep grade, the vehicle may
momentarily slow down while
ascending, or speed up while
descending.
The cruise control will cancel if the
vehicle speed decreases below 21 km/h
(13 mph) when climbing a steep grade.
The cruise control may cancel at about
15 km/h (9 mph) below the preset speed
such as when climbing a long, steep
grade.
▼ To Increase Cruising Speed
Follow either of these procedures.
To increase speed using cruise control
switch
Press the RES/ switch and hold it. Your
vehicle will accelerate. Release the switch
at the desired speed.

Press the RES/
switch and release it
immediately to adjust the preset speed.
Multiple operations will increase the
preset speed according to the number of
times it is operated.
Increasing speed with a single RES/
switch operation
Instrument cluster display for vehicle
speed indicated in km/h: 1 km/h (0.6 mph)
Instrument cluster display for vehicle
speed indicated in mph: 1 mph (1.6 km/h)
When Driving
Cruise Control
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To increase speed using accelerator
pedal
Depress the accelerator pedal to accelerate
to the desired speed. Press the SET
switch and release it immediately.
NOTE
Accelerate if you want to speed up
temporarily when the cruise control is on.
Greater speed will not interfere with or
change the set speed. Take your foot off
the accelerator to return to the set speed.
▼To Decrease Cruising Speed
Press the SET switch and hold it. The
vehicle will gradually slow.
Release the switch at the desired speed.

Press the SET
switch and release it
immediately to adjust the preset speed.
Multiple operations will decrease the
preset speed according to the number of
times it is operated.
Decreasing speed with a single SET
switch operation
Instrument cluster display for vehicle
speed indicated in km/h: 1 km/h (0.6 mph)
Instrument cluster display for vehicle
speed indicated in mph: 1 mph (1.6 km/h)
▼ To Resume Cruising Speed at More
Than 25 km/h (16 mph)
If the cruise control system temporarily
canceled (such as applying the brake
pedal) and the system is still activated, the
most recent set speed will automatically
resume when the RES/
switch is pressed.
If vehicle speed is below 25 km/h (16
mph), increase the vehicle speed up to 25
km/h (16 mph) or more and press the RES/
switch.
▼ To Temporarily Cancel
To temporarily cancel the system, use one
of these methods:
Slightly depress the brake pedal.
(Manual transaxle)
Depress the clutch pedal.
Press the OFF/CAN switch.
If the RES/
switch is pressed when the
vehicle speed is 25 km/h (16 mph) or
higher, the system reverts to the previously
set speed.
NOTE
If any of the following conditions occur,
the cruise control system is temporarily
canceled.
The parking brake is applied.
(Automatic transaxle)
The selector lever is in the P or N
position.
(Manual transaxle)
The shift lever is in the neutral
position.
When the cruise control system is
temporarily canceled by even one of the
applicable cancel conditions, the speed
cannot be re-set.
When Driving
Cruise Control
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(Automatic transaxle)
The cruise control cannot be cancelled
while driving in manual mode (selector
lever shifted from D to M position).
Therefore, engine braking will not be
applied even if the transaxle is shifted
down to a lower gear. If deceleration is
required, lower the set speed or depress
the brake pedal.
▼To Deactivate
When a cruising speed has been set
(cruise set indication (white) is
displayed/cruise set indicator light
(green) turns on)
Long-press the OFF/CAN switch or press
the OFF/CAN switch 2 times.
When a cruising speed has not been set
(cruise main indication (white) is
displayed)
Press the OFF/CAN switch.
When Driving
Cruise Control
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SignalWarning
Blind Spot Monitor-
ing (BSM) OFF In-
dicator Light
*
A problem in the system may be in dicated under the following conditions.
Have your vehicle inspected at an Authorized Mazda Dealer.
The light does not tur n on when the ignition is switched ON.The light remains on even when the Blind Spot Monitoring (BSM) system can be operat-
ed.
The light turns on while driving the vehicle.
NOTE
If the vehicle is driven on a road with less traffic and few vehicles that the radar sensors
can detect, the system may pause (The Blin d Spot Monitoring (BSM) OFF indicator light
in the instrument cluster illuminates). However, it does not indicate a malfunction.
(Amber)
Mazda Radar Cruise
Control (MRCC)
Wa r n i n g L i g h t
*
The “Front radar sensor system m alfunction” is displayed if there is a malfunction in the
system while the Mazda Radar Crui se Control (MRCC) system is on. Have your vehicle
inspected at an Authorized Mazda Dealer.
(Turns on)
Lane-keep Assist System (LAS) & Lane Departure
Wa r n i n g S y s t e m
(LDWS) Warning
Light
*
The warning light turns on if the system has a malfunction. Hav e your vehicle inspected
at an Authorized Mazda Dealer.
CAUTION
 Always use tires for all wheels that are of the specified size, and the same manufacture,
brand, and tread pattern. In a ddition, do not use tires with
significantly
different wear
patterns on the same vehicle. If such improper tires are used, the system may not operate
normally.
 When an emergency spare tire is used, the system may not operate normally.
LED Headlight
Wa r n i n g L i g h t*
This light illuminates if there i s a malfunction in the LED hea dlight. Have your vehicle
inspected by an Authorized Mazda Dealer.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
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▼Blind Spot Monitoring (BSM)
Warning Beep*
Driving forward
The warning beep operates when the turn
signal lever is operated to the side where
the Blind Spot Monit
oring (BSM) warning
light is illuminated.
NOTE
A personalized function is available to
change the Blind Spot Monitoring (BSM)
warning beep sound volume.
Refer to Personalization Features on page
9-12.
Reversing
The Blind Spot Monitoring (BSM)
warning sound is activated if there is a
possibility of collision with a vehicle
approaching from behind and from the
rear on the left and right sides of the
vehicle.
▼ Excessive Speed Warning
If the vehicle speed exceeds the speed
limit sign displayed on the active driving
display, the warning sound is activated and
the area around the speed limit sign
displayed on the active driving display
flashes 3 times in amber, and if the vehicle
speed continues to exceed the displayed
speed limit sign, the indication stops
flashing and remains on.
▼Mazda Radar Cruise Control
(MRCC) System Warnings*
The Mazda Radar Cruise Control (MRCC)
system warnings notify the driver of
system malfunctions and cautions on use
when required.
Check based on the beep sound.
Cautions
What to check
The beep sounds 1 time
while the Mazda Radar
Cruise Control (MRCC)
is operating The vehicle speed is
slower than 25 km/h (16
mph) and the Mazda Ra-
dar Cruise Control
(MRCC) system has
been canceled.
The beep sounds contin-
uously while driving The distance between
your vehicle and the ve-
hicle ahead is too close.
Verify the safety of the
surrounding area and re-
duce vehicle speed.
When the Mazda Radar
Cruise Control (MRCC)
is operating, the beep
sounds and the Mazda
Radar Cruise Control
(MRCC) warning light
(amber) in the instru-
ment cluster turns on. A malfunction in the
system may be indicated.
Have your vehicle in-
spected at an Authorized
Mazda Dealer.
▼
Collision warning*
If there is a possibility
of a collision with a
vehicle ahead or an obs truction at the rear
of the vehicle, the warning light in the
instrument cluster flashes at the same time
as the warning indication is displayed in
the active driving display, and a warning
sound is activated intermittently.
▼ Power Steering Warning Buzzer
If the power steering system has a
malfunction, the power steering
malfunction light turns on or flashes and
the buzzer operates at the same time.
Refer to Warning Lights on page 4-24.
▼
Over Rev. Buzzer*
The buzzer sounds to not
ify the driver if
the engine speed is about to exceed the
permissible engine speed.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
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