User's Guide Part 2
4
–
68
When Driving
Brake
CAUTION
When driving o -road in areas where there is grass or forage, it is recommended that the
Smart City Brake Support (SCBS) system be turned o .
Always use tires for all wheels that are of the speci ed size, and the same manufacture,
brand, and tread pattern. In addition, do not use tires with signi cantly di erent wear
patterns on the same vehicle. Do not use tires with signi cantly di erent wear patterns
on the same vehicle as the Smart City Brake Support (SCBS) system may not operate
normally.
The laser sensor includes a function for detecting a soiled windshield and informing the
driver, however, depending on the conditions, it may not detect plastic shopping bags,
ice or snow on the windshield. In such cases, the system cannot accurately determine
a vehicle or obstruction ahead and may not be able to operate normally. Always drive
carefully and pay attention to the road ahead.
NOTE
•
The Smart City Brake Support (SCBS) system will operate under the following
conditions.
•
The engine is running.
•
The display in the instrument cluster does not indicate that the system requires
inspection or it cannot be used.
•
The vehicle speed is between about 4 to 30 km/h (2 to 18 mph).
•
The Smart City Brake Support (SCBS) system is not turned off.
•
The DSC operation is not turned off using the DSC OFF switch.
•
The DSC is not malfunctioning.
•
The driver is not deliberately performing driving operations (accelerator pedal,
steering wheel, and braking operations).
•
The Smart City Brake Support (SCBS) detects a vehicle ahead by emitting a near-
infrared laser beam and receiving the beam refl ected off the refl ector of the vehicle
ahead, and then using it for the measurement. Consequently, the Smart City Brake
Support (SCBS) may not operate under the following conditions:
•
Refl ection of the laser is poor due to the shape of the vehicle ahead.
•
The vehicle ahead is signifi cantly dirty.
•
Under bad weather condition, such as rain, fog and snow.
•
The window washer is being used or the windshield wipers are not used when it's
raining.
•
The windshield is dirty.
•
The steering wheel is turned completely left or right, or the vehicle is accelerated
rapidly and comes close to the vehicle ahead.
•
Trucks with low loading platforms, vehicles traveling at extremely low speeds, and
vehicles with a high profi le.
•
Vehicles with certain shapes such as a vehicle carrier.
Mazda3_8CX9-EA-13F_Edition1.indb 68Mazda3_8CX9-EA-13F_Edition1.indb 68 2013/05/17 11:49:552013/05/17 11:49:55