4-5 Driving Auxiliary Functions 151
■ If the vehicle has stopped for less than 3 min, the driver needs to depress
the accelerator pedal or operate the ACC button to reactivate the ACC.
■ If the vehicle has stopped for more than 3 min, the ACC system will enter
the standby state and the EPB will be applied.
■ The ACC is not a safety system, obstacle detector or collision warning
system, but a comfort system. Therefore, a driver must always keep control
of the vehicle and have full responsibility for the vehicle.
■ The ACC function can assist the driver but not serve as a substitute for the
driver in driving. The driver must maintain control of the vehicle at all times
according to traffic rules and must also be fully responsible for the vehicle.
■ The driver should set the distance from a vehicle ahead and reasonably set
the ACC system depending on the traffic flow ahead and current weather
conditions such as rain or fog. After the ACC system is reasonably set, the
driver should make sure that the vehicle can be decelerated to stop at any
time.
■ The ACC is suitable for use on expressways and roads in good conditions
and not suitable for use on complex urban roads or mountain roads.
■ If the driver presses the accelerator pedal or brake pedal while ACC is
running, the vehicle will be taken over by the driver. The vehicle distance
control function of the ACC system will not be activated.
■ For stationary objects or slowly moving objects such as vehicles, tail end of
vehicle stream, toll stations, bicycles or pedestrians, the ACC will react in
special conditions only which are highly specific.
■ In consideration of safety factors, the ACC cannot be activated when the
ESC is off.
■ The ACC system cannot recognize pedestrians and vehicles traveling in
the opposite direction.
■ The ACC can apply limited brake only and cannot apply emergency brake.
■ If a vehicle ahead is braked suddenly (emergency stop), the ACC may
sometimes fail to react or be slow in reacting to the action of the vehicle
ahead, resulting in the risk of being too late in brake application. In this
case, the driver will not receive a takeover request.
■ In some cases (a vehicle ahead runs at a relative low speed or changes
lane too fast, or the safety distance is too small, etc.), the system does not
have enough time to reduce relative speed. In such cases, the driver must
react appropriately. The system cannot provide an audible or visual alarm
in each case.
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