2017 MAZDA MODEL CX-9 cruise control

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NOTE
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 The Mazda Radar Cruise Control (MRCC) system operates when all of the following
conditions are met.
 
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 The vehicle speed is about 30 km/h (19 mph) to 145 km/h (90 mph).
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 The Mazda Radar Cruise Control (MRCC) system is turned on.
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 The parking brake is not applied.
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 The Smart Brake Support (SBS) is not malfunctioning.
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 The Dynamic Stability Control (DSC) is operating normally.
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 The selector lever is in the drive (D) position or manual (M) position (manual mode).
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 All doors are closed.
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 The driver's seat belt is fastened. 
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 In the following cases, the warnings may not activate even if your vehicle starts closing in
on the vehicle ahead.
 
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 You are driving at the same speed as the vehicle ahead.

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 Directly after the Mazda Radar Cruise Control (MRCC) system has been set.
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 When the accelerator pedal is depressed or directly after the accelerator pedal is
released.
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 Another vehicle cuts into the driving lane. 
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 The following are not detected as physical objects. 
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 Vehicles approaching in the opposite direction
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 Pedestrians
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 Stationary objects (stopped vehicles, obstructions) 
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 If a vehicle ahead is traveling at an extremely low speed, the system may not detect it
correctly.
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 During headway control travel, do not set the system on two-wheeled vehicles such as
motorcycles and bicycles.
 
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 Do not use the Mazda Radar Cruise Control (MRCC) system under conditions in which
the close proximity warnings are frequently activated.
 
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 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.
 

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 While the Mazda Radar Cruise Control (MRCC) system is in use, it does not cancel
even if the selector 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.
 


 The brake lights are illuminated while the Mazda Radar Cruise Control (MRCC)
automatic braking is operating.
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  If there is a problem with the Mazda Radar Cruise Control (MRCC) system, a message is
displayed in 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 Message Indicated on Display on page 7-42 .  


 The headway control operation can be canceled and the system can be switched to only
cruise control. Refer to Cruise Control Function on page 4-114 .

Mazda Radar Cruise Control (MRCC) Display Indication
The setting status and operation conditions of the Mazda Radar Cruise Control (MRCC)
system are indicated in the multi-information display and the active driving display.

MRCC Distance
between vehicle
display
MRCC Set vehicle speed Vehicle ahead display
Vehicle ahead display
MRCC Set vehicle speed

Close Proximity Warning
If your vehicle rapidly closes in on the vehicle ahead because the vehicle 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 safer distance from the vehicle ahead.
Additionally, always keep a safer distance from the vehicles behind you.

Multi-information Display
Active Driving Display

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Setting the System

CANCEL switchRES switch
OFF switch switch switchMODE switch
SET- switch SET+ switch

When the MODE switch is pressed, the Mazda Radar Cruise Control (MRCC) main
indication (white) turns on and the vehicle speed and the distance between vehicles while in
headway control can be set.
NOTE
 

 When the ignition is switched to ACC or OFF while the Mazda Radar Cruise Control
(MRCC) is ON, the Mazda Radar Cruise Control (MRCC) remains ON automatically.
 

 When the MODE switch is pressed while the Mazda Radar Cruise Control (MRCC)
system is turned on, the system switches to the cruise control function.

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How to Set the Speed
1. Adjust the vehicle speed to the desired setting using the accelerator pedal.
2. Headway control begins when the SET
or SET switch is pressed. The set speed and
the inter-vehicle distance display fi lled with white lines are displayed. The Mazda Radar
Cruise Control (MRCC) set indication (green) is indicated simultaneously.



Travel status Multi-information display Active driving display
During travel at constant speed



During travel under headway control




NOTE
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 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.
  Headway control is not possible if the vehicle ahead is driving faster than the set speed.
Adjust the system to the desired vehicle speed using the accelerator pedal.

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NOTE
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 The distance between vehicles differs depending on the vehicle speed, and the slower the
vehicle speed, the shorter the distance.
 
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 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
Changing the set vehicle speed using the
SET switch
Press the SET
switch to accelerate.
Press the SET
switch to decelerate.
The set vehicle speed changes as follows
each time the SET switch is pressed.

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 accelerate using the accelerator
pedal
Depress the accelerator pedal and press
and release the SET
or SET switch at
the desired speed. If a switch cannot be
operated, the system returns to the set
speed when 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. Check the set vehicle speed by
viewing the set vehicle speed display in
the multi-information display and the
active driving display.
 
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 When depressing the accelerator pedal,
the inter-vehicle distance display in the
multi-information display changes to
the white-line display.
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 The minimum settable speed is 30 km/h
(19 mph). If the set vehicle speed
reaches 30 km/h (19 mph) using the
switch operation, constant speed travel
is maintained at about 30 km/h (19
mph) even if the SET
switch is
pressed. The Mazda Radar Cruise
Control (MRCC) system is not canceled.

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To Deactivate
The Mazda Radar Cruise Control (MRCC)
is deactivated when the OFF/CAN switch
is pressed twice.
When the system is temporarily
canceled
In the following cases, the Mazda Radar
Cruise Control (MRCC) is temporarily
canceled, the Mazda Radar Cruise Control
(MRCC) set indication (green) is turned
off, and the Mazda Radar Cruise Control
(MRCC) main indication (white) is turned
on.
 
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 The OFF/CAN switch is pressed once.
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 The brake pedal is depressed.
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 The parking brake is applied.
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 The selector lever is shifted to park (P),
neutral (N) or reverse (R).
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 Any door is opened.
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 The driver's seat belt is unfastened.
 In the following cases, the “Mazda
Radar Cruise Control Canceled”
indication is displayed and the beep
sounds one time.



 The vehicle speed decreases to less
than 25 km (16 mph).
 
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
 The DSC has operated.
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
 The TCS has operated for a certain
period of time.
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
 The Smart City Brake Support (SCBS)
has operated.
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
 The Smart Brake Support (SBS) has
operated.
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
 When traveling on a down slope for a
long period of time.
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 There is a problem with the system.

NOTE
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 The Mazda Radar Cruise Control
(MRCC) system may be canceled during
rain, fog, snow or other inclement
weather conditions, or the front surface
of the radiator grille is dirty.
 
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 If you have temporarily canceled the
Mazda Radar Cruise Control (MRCC),
you can return to your previously set
speed by pressing the RES switch and
after all of the operation conditions
have been met.
  If the Mazda Radar Cruise Control
(MRCC) system is deactivated, the
system does not return to the previously
set speed even if the RES switch is
pressed.

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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 control function on
expressways and other highways which do
not require a lot of repeated acceleration
and deceleration.
WARNING
Do not use the cruise control function in
the following locations:
Otherwise, it could lead to an accident.
 
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 Roads with sharp curves and where
vehicle traffi c is heavy and there is
insuffi cient space between vehicles.
(Driving under these conditions
using the cruise control function is
not possible)
 
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 Steep down slopes (Set speed may
be exceeded because suffi cient
engine braking cannot be applied)
 
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 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.

Switching to cruise control function
When the MODE switch is pressed while
the Mazda Radar Cruise Control (MRCC)
system is turned on, the system switches to
the cruise control function.
When the system switches to the cruise
control function, the indicator and multi-
information display notify the driver as
follows:
 

 The Mazda Radar Cruise Control
(MRCC) set indication (green) or the
Mazda Radar Cruise Control (MRCC)
main indication (white) is turned off,
and the cruise main indication (white) is
turned on.
 

 A message is displayed in the multi-
information display.
WARNING
Always turn off the cruise control
function when it is not in use:
Leaving the cruise control function
turned on when it is not in use
is dangerous as it could operate
unexpectedly, resulting in an accident.

How to set the speed
Adjust the system to the desired vehicle
speed using the accelerator pedal.
When the SET
or SET switch is
pressed, the cruise set indication (green) is
turned on and headway control begins.
NOTE
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 The system may not be able to maintain
the set speed constantly depending on
driving conditions such as steep up or
down slopes.
  The speed will continue increasing
while the SET
switch is pressed and
held. The speed will continue
decreasing while the SET
switch is
pressed and held.

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How to increase the set speed
The set speed can be increased using the
following operations:
To increase speed using the SET

switch
Press and hold the SET
switch and
release the switch at the desired speed.
The set speed can be adjusted
incrementally (1 km/h (1 mph)
increments) by pressing the switch and
releasing it immediately. For example, if
the switch is pressed 4 times, the set speed
increases by about 4 km/h (4 mph).
To increase speed using accelerator
pedal
Depress the accelerator pedal and press the
SET
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.
How to Decrease the Set Speed
Press the SET
switch continuously and
release the switch at the desired speed.
The set speed can be adjusted
incrementally (1 km/h (1 mph) increments)
by pressing the switch and releasing it
immediately. For example, if the switch
is pressed 4 times, the set vehicle speed
decreases by about 4 km/h (4 mph).
Cancelling the function
Cancelling using OFF/CAN switch
When the OFF/CAN switch is pressed
once, the cruise control function is
cancelled.
Cancelling using MODE switch
When the MODE switch is pressed, the
cruise control function is canceled and
the headway control function is made
available for operation.
The cruise control function is canceled
automatically in the following cases. If the
RES switch is pressed while the vehicle
speed is 25 km/h (16 mph) or higher, the
speed returns to the original set speed.
 
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 The OFF/CAN switch is pressed once.

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 The brake pedal is depressed.
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 The parking brake is applied.

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 The selector lever is shifted to P or N
position.

NOTE
 
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 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
higher and the RES switch is pressed.
Reset the cruise control function.

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