2020 MAZDA MODEL CX-30 Owners Manual

A vehicle overtakes your vehicle
while it is stopped.
Your vehicle is in an area where
strong radio waves or electrical
noise may occur such as near a
television tower or power plant.
In the following cases, the
i-ACTIVSENSE warning indication/
warning light turns on and operation
of the system is stopped. If the
i-ACTIVSENSE warning indication/
warning light remains illuminated,
have the vehicle inspected at an
Authorized Mazda Dealer as soon as
possible.
Some problem with the system
including the Blind Spot
Monitoring (BSM) warning
indicator lights has occurred.
A large deviation in the installation
position of a rear side radar sensor
on the vehicle has occurred.
There is a large accumulation of
snow or ice on the rear bumper
near a rear side radar sensor.
Driving on snow-covered roads for
long periods.
The temperature near the radar
sensors becomes extremely hot
due to driving for long periods on
slopes during the summer.
The battery voltage has decreased.Under the following conditions, the
rear side radar sensor cannot detect
approaching vehicles or it might be
difficult to detect them, and the
system may not operate normally.
The vehicle speed when reversing
is about 15 km/h (9 mph) or
faster.
The rear side radar sensor
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.)
1. Your vehicle
A vehicle is approaching directly
from the rear of your vehicle.
1. Your vehicle
The vehicle is parked at an angle.
1. Your vehicle
Directly after the RCTA system
becomes operable using the
personalization feature.
Radio wave interference from a
radar sensor equipped on a nearby
parked vehicle.
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In the following cases, it may bedifficult 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 vehicle. Otherwise,
the radio waves emitted by the radar
will be blocked causing the system to
not operate normally.
The rear side radar sensor of the
RCTA may be regulated under the
radio wave related laws of the
country where the vehicle is driven. If
this system is used abroad, it may be
necessary to turn off the system.
Refer to Rear Side Radar Sensor on
page 4-197.
▼ Canceling Operation of Rear Cross
Tra ffi c
Alert (RCTA)
The RCTA can be set to inoperable.
(If only the RCTA is turned off)
Refer to the Settings section in the
Mazda Connect Owner's Manual.
(If the RCTA is turned off by
operating the i-ACTIVSENSE switch)
Refer to i-ACTIVSENSE Switch on
page 4-85.
NOTE
If the ignition is switched OFF while
you have canceled the system using the
i-ACTIVSENSE switch, the system is
automatically enabled the next time
the ignition is switched ON. However,
if the system is canceled using the
personalization features, the system is
not automatically enabled.
Mazda Radar Cruise
Control (MRCC) (Manual
Transmission)
*
▼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 front radar
sensor 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.
Front radar sensor (page 4-194)
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WARNING
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 safe 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 traffic is heavy with
insufficient space between vehicles,
or roads where frequent and
repetitive acceleration and
deceleration occur (Driving under
these conditions using the MRCC is
not possible).
 When entering and exiting
interchanges, service 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 spin
causing you to lose vehicle control,
or the stop hold control may not
operate.)
 Long, descending slopes (to
maintain distance between vehicles,
the system automatically and
continuously applies the brakes
which could result in the loss of
brake power.)
 Slopes with a steep gradient (The
vehicle ahead may not be detected
correctly.)
 Two-wheeled vehicles such as
motorcycles or bicycles are ahead.
For safety purposes, switch the MRCC
system off when it is not being used.
Leaving the MRCC system turned on
when it is not in use is dangerous as it
could operate unexpectedly, resulting
in an accident.
CAUTION
 Turn the system
off when the vehicle
is running on a chassis roller.
 If your vehicle is towed or you are
towing something, switch the MRCC
system off to prevent an unexpected
operation.
NOTE
The MRCC system does not detect
the following as physical objects.
Vehicles approaching in the
opposite direction
Pe de st r ia nsStationary objects (stopped
vehicles, obstructions)
If a vehicle ahead is traveling at an
extremely low speed, the system
may not detect it correctly.
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If there is a structure on the road or
an object (such as a monorail) at a
low height off the ground in front of
the vehicle, the system may operate.
Therefore, do not use the MRCC.
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 shift lever
is operated and any intended engine
braking will not occur. If deceleration
is required, lower the vehicle speed
setting or depress the brake pedal.
While braking by the MRCC control
is operating, you might hear an
operation sound, however, this does
not indicate a problem.
The brake lights turn on while
braking by the MRCC control is
operating, however, they may not
turn on while the vehicle is on a
down slope at the set vehicle speed
or traveling at a constant speed and
following a vehicle ahead.
Stop the headway control function to
switch the system to the cruise
control function.
Refer to the Settings section in the
Mazda Connect Owner's Manual.
▼ Mazda Radar Cruise Control
(MRCC) Display Indication
The MRCC setting status and operation
conditions are indicated on the
multi-information display and the
active driving display.
Multi-information display (Basic
display)
1. Vehicle ahead display
2. MRCC set vehicle speed

Multi-information display
(i-ACTIVSENSE display)
1. Vehicle ahead display
2. MRCC set vehicle speed

Active driving display
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1. Vehicle ahead display
2. MRCC set vehicle speed

If there is a problem with the MRCC
system, a message is displayed on the
multi-information display. Check the
center display to verify the problem
and then have your vehicle inspected
by an Authorized Mazda Dealer.
Refer to If a Warning Light Turns On or
Flashes on page 7-22.
▼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 verify the safety of
the surrounding area and depress the
brake pedal while keeping a safe
distance from the vehicle ahead.
Additionally, keep a safe distance from
the vehicles behind you.
1. “Depress Brake Pedal” message is
displayed
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 in front of you.
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▼Setting the System
The MRCC system operates when all of the following conditions are 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 (Electric Parking Brake (EPB) indicator light is turned
off).
There is no problem with the DSC.All the doors are closed.The driver's seat belt is fastened.The shift lever is in a position other than reverse (R) or neutral (N).The clutch pedal is not depressed.
NOTE
When the MRCC is operating, Distance & Speed Alert (DSA), and Smart Brake
Support (SBS) also turns on automatically.
Turning on the system
1. CANCEL switch
2. RES switch
3. MRCC switch

When the MRCC switch is pressed once, the MRCC system turns on, and the MRCC
standby indication (white) turns on and the vehicle speed and the distance between
the vehicles while in headway control can be set.
In addition, the MRCC system display indication is displayed on the
multi-information display and the active driving display at the same time.
NOTE
If the ignition is switched off while the MRCC system is operating, the system will be
operable when the ignition is switched ON the next time.
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How to set the speed
Adjust the vehicle speed to the desired setting using the accelerator pedal and press
the RES switch up (SET+) or down (SET-) to start headway control.
The set speed is indicated on the display. At the same time, the MRCC standby
indication (white) changes to the MRCC set indication (green).
Tra ve l s ta t u sIndication on multi-information
display Indication on active driving dis-
play
During travel at constant speed
During travel under headway
control
NOTE
If a vehicle ahead is detected while traveling at a constant speed, the
vehicle-ahead indication is displayed and headway control is performed.
Additionally, when a vehicle ahead is no longer detected, the vehicle-ahead
indication turns off and the system switches back to travel at constant speed.
The lowest possible speed which can be se t on the MRCC system is 30 km/h (19
mph).
Headway control is not possible if the vehicle ahead is driving faster than your
vehicle's set speed. Adjust the system to the desired vehicle speed using the
accelerator pedal.
How to set the distance-between-vehicles during headway control
The distance-between-vehicles can be set to 4 levels; Long, medium, short, and
extremely short distance.
The distance-between-vehicles is set to a shorter distance by pressing the CANCEL
switch down. The distance-between-vehicles is set to a longer distance by pressing
the CANCEL switch up.
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Distance-between-vehiclesguideline
(at 80 km/h (50 mph) vehicle speed) Indication on multi-information
display Indication on active driving dis-
play
*1
Long (about 50 m (164 ft))
Medium (about 40 m (131 ft))
Short (about 30 m (98 ft))
Extremely short (about 25 m (82
ft))
*1 Displays a pop-up image in the active driving display only when the driver operates the switch.
NOTE
The distance-between-vehicles differs depending on the vehicle speed, and the
slower the vehicle speed, the shorter the distance.
When the ignition is switched to ACC or OFF and then the engine is started again,
the system automatically sets the distance-between-vehicles to the previous
setting.
Changing the Set Vehicle Speed
(To accelerate/decelerate using the
RES switch)
When the RES switch is pressed up
(SET+), the vehicle accelerates and
when the RES switch is pressed down
(SET-), it decelerates.
Press and release immediately: 1
km/h (1 mph)
Press and hold: 10 km/h (5 mph)
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