2015 MAZDA MODEL 3 HATCHBACK brakes

*Some models.4–88
When Driving
ABS/TCS/DSC
Traction Control System
(TCS)
*
The Traction Control System (TCS)
enhances traction and safety by controlling
engine torque and braking. When the TCS
detects driving wheel slippage, it lowers
engine torque and operates the brakes to
prevent loss of traction.
This means that on a slick surface, the
engine adjusts automatically to provide
optimum power to the drive wheels,
limiting wheel spin and loss of traction.
The warning light turns on when the
system has a malfunction.
Refer to Warning Lights on page 4-41 .
WARNING
Do not rely on the Traction Control
System (TCS) as a substitute for safe
driving:
The Traction Control System (TCS)
cannot compensate for unsafe and
reckless driving, excessive speed,
tailgating (following another vehicle
too closely), and hydroplaning (reduced
tyre friction and road contact because
of water on the road surface). You can
still have an accident.
Use snow tyres or tyre chains and
drive at reduced speeds when roads are
covered with ice and/or snow:
Driving without proper traction devices
on snow and/or ice-covered roads
is dangerous. The Traction Control
System (TCS) alone cannot provide
adequate traction and you could still
have an accident.
NOTE
To turn off the TCS, press the DSC OFF
switch (page 4-90 ).
TCS/DSC Indicator Light
This indicator light stays on for a few
seconds when the ignition is switched
ON. If the TCS or DSC is operating, the
indicator light fl ashes.
If the light stays on, the TCS, DSC
or the brake assist system may have a
malfunction and they may not operate
correctly. Take your vehicle to an expert
repairer, we recommend an Authorised
Mazda Repairer.
NOTE
  In addition to the indicator light
fl ashing, a slight labouring sound
will come from the engine. This
indicates that the TCS/DSC is
operating properly.
  On slippery surfaces, such as fresh
snow, it will be impossible to achieve
high rpm when the TCS is on.
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*Some models.4–91
When Driving
i-ELOOP
i-ELOOP *
On conventional vehicles, the kinetic energy that is generated when the vehicle is
decelerated by applying the brakes or during engine braking ends up being discarded as
heat. By utilizing this discarded kinetic energy to generate electricity and use it to power the
vehicle's electrical devices and accessories such as the A/C and audio, fuel consumption can
be reduced. Mazda's system for generating electricity from this kinetic energy is called the
Regenerative Braking System (i-ELOOP).
Electric components
Engine Components
Vehicle Systems:
Air-conditioning
Audio
Head-lights, etc
Accelerator OFF
Accelerator ONEnergy
regeneration
ChargeBattery
Battery Power
Power
Electric components
Engine Components
Vehicle Systems:
Air-conditioning
Audio
Head-lights, etc
Engine
Variable
Voltage
alternator
Variable
Voltage
alternator Engine
Tyre TyreCapacitor
CapacitorDC-DC converter
DC-DC converter
Kinetic energy
Electrical power
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*Some models.4–123
When Driving
i-ACTIVSENSE
Mazda Radar Cruise Control (MRCC) *
The Mazda Radar Cruise Control (MRCC) system is designed to maintain headway control *1
according to the vehicle speed using a radar sensor (front) to detect the distance to a vehicle
ahead, which frees the driver from having to constantly use the accelerator or brake pedals.
*1 Headway Control: Control of the distance between your vehicle and the vehicle ahead
detected by the Mazda Radar Cruise Control (MRCC) system.
Additionally, if your vehicle starts closing in on the vehicle ahead because, for example, the
vehicle ahead brakes suddenly, a warning sound and a warning indication in the display are
activated simultaneously to alert you to maintain a suffi cient distance between the vehicles.
The possible vehicle speed setting ranges are as follows:
 


(European models)
 About 30 km/h (19 mph) to 200 km/h (124 mph)



(Except European models)
 About 30 km/h (19 mph) to 145 km/h (90 mph)
Use the Mazda Radar Cruise Control (MRCC) system on expressways and other highways
which do not require a lot of repeated acceleration and deceleration.
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4–124
When Driving
i-ACTIVSENSE
WARNING
Do not rely completely on the Mazda Radar Cruise Control (MRCC) system and always
drive carefully:
The Mazda Radar Cruise Control (MRCC) system is designed to reduce load on the
driver, and although it maintains a constant vehicle speed, or specifi cally, it maintains
a constant distance between your vehicle and the detected vehicle ahead according to
the vehicle speed, the 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 suffi ciently 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 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.
Do not use the Mazda Radar Cruise Control (MRCC) system in the following locations.
Otherwise, it could lead to an accident:
 
 Roads with sharp curves and where vehicle traffi c is heavy and there is insuffi cient
space between vehicles. Roads where frequent and repetitive acceleration and
deceleration occur (Driving under these conditions using the Mazda Radar Cruise
Control (MRCC) system 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 (The tyres could spin causing you to
lose vehicle control).
  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).
For the purposes of safety, switch the Mazda Radar Cruise Control (MRCC) system off
when it is not being used.
CAUTION
If the vehicle is towed or you are towing something, switch the Mazda Radar Cruise
Control (MRCC) system off to prevent an incorrect operation.
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4–126
When Driving
i-ACTIVSENSE
NOTE
  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 Mazda Radar Cruise Control (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 brake lights are illuminated while the Mazda Radar Cruise Control (MRCC)
automatic braking is operating, however, they may not be illuminated while the
vehicle is on a down slope at the set vehicle speed or travelling at a constant speed and
following a vehicle ahead.
  The Mazda Radar Cruise Control (MRCC) warning light (amber) fl ashes when the
system has a malfunction.
 Refer to Warning Lights on page 4-41 .
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 active driving display.
Vehicle ahead display
MRCC Distance between vehicle display
MRCC Set vehicle
speed
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4–127
When Driving
i-ACTIVSENSE
Close Proximity Warning
If your vehicle rapidly closes in on the vehicle ahead because the vehicle applies the brakes
suddenly while you are travelling 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.
Setting the System
To Activate
With adjustable speed limiter
To activate the system, press the ON/OFF switch.
Without adjustable speed limiter
To activate the system, press the ON switch.
ON/OFF switch
OFF switch ON switch Without Adjustable Speed Limiter With Adjustable Speed Limiter
CANCEL switch CANCEL switch
Switch SwitchRESUME
switchRESUME
switch
Switch Switch
SET+/SET- switch SET+/SET- switch
When the system is activated, the vehicle speed and the distance between vehicles while in
headway control can be set. The Mazda Radar Cruise Control (MRCC) indication is shown
in the active driving display.
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.
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4–136
When Driving
i-ACTIVSENSE
Speed Limiter Warning Beep
If the vehicle speed exceeds the set speed by about 3 km/h (2 mph) or more, a warning
sound operates continuously and the adjustable speed limiter display fl ashes at the same
time. The warning sound operates and the display fl ashes until the vehicle speed decreases
to the set speed or less.
Verify the safety of the surrounding area and adjust the vehicle speed by applying the
brakes. Additionally, keep a safer distance from the vehicles behind you.
Active Driving Display Display in the instrument cluster
With multi-
information displayWithout multi-
information display
NOTE
When the system is temporarily cancelled by depressing the accelerator pedal fully, the
adjustable speed limiter display shows the cancel display. If the vehicle speed exceeds the
set speed by about 3 km/h (2 mph) or more while the cancel display is displayed, the set
speed display fl ashes but the warning sound is not operated.
Turning the System On/Off
Press the speed limiter switch to turn the system on. The adjustable speed limiter display is
displayed.
To turn the system off, press the speed limiter switch while the adjustable speed limiter is
displayed. The adjustable speed limiter display turns off.
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*Some models.4–139
When Driving
i-ACTIVSENSE
Smart City Brake Support (SCBS) *
The Smart City Brake Support (SCBS) system is designed to reduce damage in the event
of a collision by operating the brake control (SCBS brake) when the system's laser sensor
(front) detects a vehicle ahead and determines that a collision with a vehicle ahead is
unavoidable. It may also be possible to avoid a collision if the relative speed between your
vehicle and a vehicle ahead is less than about 15 km/h (9.3 mph).
In addition, when the driver depresses the brake pedal while the system is in the operation
range at about 4 to 30 km/h (2 to 18 mph), the brakes are applied fi rmly and quickly to
assist. (Brake Assist (SCBS brake assist))
Laser sensor
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