When the vehicle speed is set, the set vehicle speed is displayed on the displays
and the MRCC standby indication (white) changes to the MRCC set indication
(green).
The minimum speed setting is 30 km/h (19 mph).
Tra ve l s t a t u sIndication on multi-information
display Indication on active driving dis-
play
During travel at constant speed
During travel under headway
control
Setting the distance between vehicles
The distance between vehicles is set to a shorter distance by pressing the CANCEL
switch down, and to a longer distance by pressing the CANCEL switch up. The
distance between vehicles can be set to 4 levels: Long , medium, short, and
extremely short distance.
The distance between vehicles increases or decreases depending on the vehicle
speed.
Distance-between-vehicles
guideline
(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))
When Driving
i-ACTIVSENSE
4-115
MX-30_8JD4-EA -21G_Edition2_new 2021-5-18 14:38:07
Distance-between-vehiclesguideline
(at 80 km/h (50 mph) vehicle speed) Indication on multi-information
display Indication on active driving dis-
play
*1
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.
Changing the set vehicle speed
How to change the set vehicle speed using the RES switch
When the RES switch is pressed up (SET+), the vehicle accelerates, and when the
RES switch is pressed down (SET -), the vehicle decelerates.
Press and release immediately: 1 km/h (1 mph)Press and hold: 10 km/h (5 mph)
How to change the set vehicle speed using the accelerator pedal
Depress the accelerator pedal until the vehicle speed reaches the desired speed,
then press the RES switch up (SET+) or down (SET -) and release the switch.
Temporary cancellation
If any of the following conditions is me t, the MRCC with Stop & Go function is
canceled temporarily.
The MRCC with Stop & Go function operation conditions are not met.The CANCEL switch is pressed.The brake pedal is depressed.The front radar sensors cannot detect target objects.
When Driving
i-ACTIVSENSE
4-116
MX -30_8JD4-EA -21G_Edition2_new 2021-5-18 14:38:07
The DSC has operated.The Smart Brake Support (SBS) has operated.The frequency of the braking operation by the MRCC with Stop & Go function is
high.
There is a problem in the system.
Resuming the control
If the MRCC with Stop & Go function is temporarily canceled, it will resume
operation at the previously set speed by pressing the RES switch after all of the
operation conditions have been met again.
Tu r n i n g o ff the system
When the MRCC switch is pressed while the MRCC is operating, the MRCC turns
off.
▼ Stop Hold Control
While in headway control using the
MRCC with Stop & Go function, your
vehicle will stop when a vehicle ahead
stops. When your vehicle is stopped
and the stop hold control operates, the
MRCC with Stop & Go function
indicator light turns on.
NOTE
The parking brake is automatically
applied and the vehicle is held in its
stopped position when 10 minutes
or longer have passed since the stop
hold control operated. When this
occurs, the MRCC with Stop & Go
function is temporarily canceled.
Resuming driving
While in stop hold control, if the
vehicle ahead starts moving and the
distance from the vehicle increases, the
stop hold control will be canceled and
your vehicle will resume driving by
performing any of the following
operations.
Press the RES switch.Depress the accelerator pedal.
NOTE
If the vehicle ahead starts moving
within three seconds after your vehicle
is stopped, the headway control will
continue even if you do not resume
driving your vehicle.
Resume driving information
If you do not resume driving within a
few seconds after the vehicle ahead
starts moving during stop hold control,
the vehicle-ahead indication on the
multi-information display flashes to
urge you to resume driving. If you still
do not resume driving after the
indicator light flashes, a sound is
activated to urge you to resume
driving.
When Driving
i-ACTIVSENSE
4-117
MX -30_8JD4-EA -21G_Edition2_new 2021-5-18 14:38:07
Under bad weather conditions (rain,
fog , and snow).
Tires other than the speci fied size are
used, such as when tire chains or
temporary spare tires are used.
Switch the TJA off when it is not being
used.
Leaving the TJA on when it is not in use
is dangerous as it could operate
unexpectedly, resulting in an accident.
Do not get out of the vehicle while
the stop hold control is operating.
Getting out of the vehicle while the
stop hold control is operating is
dangerous as the vehicle may move
unexpectedly and result in an accident.
Before leaving the vehicle, switch the
TJ A off, shift the selector lever to the P
position, and apply the parking brake.
NOTE
The TJA does not operate with the
following objects.
On-coming vehiclesPe d e s t r i a n sStationary objects (such as
stopped vehicles, obstructions)
If a vehicle ahead is traveling at an
extremely low speed, the system may
not detect it correctly.
A brake operation sound may be
heard by the TJA control, however, it
does not indicate a problem.
The brake lights turn on while the
brakes and stop hold control are
operating by the TJA control.
When any of the following
conditions is met, the TJA may not be
able to detect white (yellow) lane
lines or vehicles ahead correctly and
the TJA may not operate normally.
A condition under which the
Forward Sensing Camera (FSC)
cannot detect a target object is
met.
Refer to Forward Sensing Camera
(FSC) on page 4-71.
The Forward Sensing Camera (FSC)
cannot recognize the area in front
of the vehicle.
The visibility of white (yellow) lane
lines is poor.
There are multiple white (yellow)
lane lines.
There is a misleading line which
looks like a white (yellow) lane
line.
The distance to the vehicle ahead
is close.
The width of the vehicle lane is
narrow or wide.
A vehicle ahead is driving
erratically.
A vehicle ahead veers o ff course
from your vehicle's line of travel.
The vehicle is driven through an
intersection, a junc tion, or a fork in
the road.
▼ Tra
ffic Jam Assist (TJA) Display
Indication
The TJA setting status and operation
conditions are indicated on the
multi-information display and the
active driving display.
When Driving
i-ACTIVSENSE
4-119
MX -30_8JD4-EA -21G_Edition2_new 2021-5-18 14:38:07
Multi-information display (Basic
display)
1. Vehicle ahead display
2. TJA set vehicle speed
Multi-information display
(i-ACTIVSENSE display)
1. Vehicle ahead display
2. TJA set vehicle speed
Active driving display
1. Vehicle ahead display
2. TJA set vehicle speed
Steering assist function display
When the steering assist function
operates, the steering assist operation
display on the display changes from
white to green.
1. Steering assist operation display
NOTE
You can check if the steering assist
function is following the lane lines or it
is following vehicles ahead, on the
multi-information display.
Inactive
Active (vehicle ahead)
When Driving
i-ACTIVSENSE
4-120
MX-30_8JD4-EA -21G_Edition2_new 2021-5-18 14:38:07
Active (lane line)
If there is a problem with the TJA, a
message is displayed on the display.
Check the details of 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 7-21.
▼Steering Assist Limit Warning
If the steering assist function cannot
keep the vehicle within the lane lines,
a warning sound is activated and the
lane line of the direction reaching the
limit is displayed on the
multi-information display to urge you
to operate the steering wheel.
▼Close Proximity Warning
If your vehicle approaches the vehicle
ahead while traveling under headway
control using the Tra
ffic Jam Assist
(TJA), a warning sound is activated and
a brake warning is indicated on the
multi-information display. Check the
surrounding conditions and keep a
safe distance from the vehicle ahead.
1. “Depress Brake Pedal” message is displayed
CAUTION
While the accelerator pedal is being
depressed, the warnings and brake
control do not operate even if your
vehicle approaches the vehicle
ahead.
In the following cases, the warnings
and brakes may not operate even if
your vehicle approaches the vehicle
ahead.
Your vehicle is being driven at the
same speed as the vehicle ahead.
Immediately after the Tra ffic Jam
Assist (TJA) is set.
Immediately after the accelerator
pedal is released.
Another vehicle cuts into the
driving lane.
When Driving
i-ACTIVSENSE
4-121
MX -30_8JD4-EA -21G_Edition2_new 2021-5-18 14:38:07
There is a problem with the stop hold control function.
Setting the vehicle speed
1. Press the TJA switch to turn the system on.
2. Accelerate the vehicle until it reaches the desired speed using the accelerator pedal and press the RES switch up (SET+) or down (SET -) to set the speed.
NOTE
When the system is turned on, the TJA standby indication (white) turns on and the
TJA display indication is displayed on the multi-information display and the active
driving display.
When the vehicle speed is set, the set vehicle speed is displayed on the displays
and the TJA standby indication (white) changes to the TJA set indication (green)
The minimum speed setting is 30 km/h (19 mph).When the TJA switch is pressed while the Mazda Radar Cruise Control with Stop &
Go function (MRCC with Stop & Go function) system is operating , the MRCC with
Stop & Go function switches to the TJA. In addition, when the MRCC switch is
pressed while the TJA is operating, the TJA switches to the MRCC with Stop & Go
function.
Setting the distance between vehicles
The distance between vehicles is set to a shorter distance by pressing the CANCEL
switch down, and to a longer distance by pressing the CANCEL switch up. The
distance between vehicles can be set to 4 levels: Long , medium, short, and
extremely short distance.
The distance between vehicles increases or decreases depending on the vehicle
speed.
Distance-between-vehicles
guideline
(at 80 km/h (50 mph) vehicle speed) Indication on display
Indication on multi-information display Indication on active driving dis-
play
*1
Long (about 50 m (164 ft))
Medium (about 40 m (131 ft))
When Driving
i-ACTIVSENSE
4-123
MX-30_8JD4-EA -21G_Edition2_new 2021-5-18 14:38:07
Distance-between-vehiclesguideline
(at 80 km/h (50 mph) vehicle speed) Indication on display
Indication on multi-information display Indication on active driving dis-
play
*1
Short (about 30 m (98 ft))
Extremely short (about 25 m (82
ft))
*1 Displays a pop-up image when the CANCEL switch is operated.
Changing the set vehicle speed
How to change the set vehicle speed using the RES switch
When the RES switch is pressed up (SET+), the vehicle accelerates, and when the
RES switch is pressed down (SET -), the vehicle decelerates.
Press and release immediately: 1 km/h (1 mph)Press and hold: 10 km/h (5 mph)
How to change the set vehicle speed using the accelerator pedal
Depress the accelerator pedal until the vehicle speed reaches the desired speed,
then press the RES switch up (SET+) or down (SET-) and release the switch.
Temporary cancellation
Headway control function
If any of the following conditions is met, the headway control function is temporarily
canceled.
The headway control function operation conditions are not met.The CANCEL switch is pressed.The brake pedal is depressed.The front radar sensors cannot detect target objects.The DSC has operated.The Smart Brake Support (SBS) has operated.The frequency of the braking operation by the TJA is high.There is a problem in the system.
When Driving
i-ACTIVSENSE
4-124
MX -30_8JD4-EA -21G_Edition2_new 2021-5-18 14:38:07