2018-2023 Mg HS SUV Starting & Driving -> Adaptive Cruise Control System User Manual
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Starting & Driving -> Adaptive Cruise Control System for Your Mg HS SUV First Generation (2018-2023

STARTING & DRIVING  
Adaptive Cruise Control System *  
The Adaptive Cruise Control (ACC) system  
is designed as a comfort system enabling  
the driver to maintain a constant speed or  
distance from the car in front. It provides  
assistance to the driver, it DOES NOT replace  
any of the drivers responsibilities. When  
using the ACC it is important that the driver  
maintains concentration at ALL times.  
During the operation of the Adaptive Cruise  
Control System (ACC) the autonomous  
braking of the vehicle is limited. Therefore  
it is ESSENTIAL that the driver maintains  
concentration, observes the local laws, road  
and traffic conditions, and if at any time  
feels there is a danger to themselves or  
surroundings they should apply the brakes  
and disconnect the ACC.  
4
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Speed Limit Increase  
/Accelerate (1)  
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Resume (5)  
Set (6)  
Speed Limit Decrease  
/Decelerate (2)  
OFF (7)  
Increase the Distance (8)  
Reduce the Distance (9)  
The ACC system can automatically switch between  
constant speed cruise and car following cruise control  
depending on whether it can detect a vehicle directly ahead.  
Constant speed cruise control is permitted between  
•
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Cancel (3)  
On/Standby (4)  
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STARTING & DRIVING  
20mph - 90mph (30km/h–150km/h)or car following cruise  
control by setting the distance between the vehicle and  
the vehicles directly ahead.  
2
3
Move the adaptive cruise lever switch to the 'ON'  
position (4), the adaptive cruise system status indicator  
on the instrument pack  
illuminates yellow, and the  
adaptive cruise control system is in the Standby mode.  
When activated if the ACC system detects a car in the  
same lane directly ahead it may accelerate or gently apply  
the brakes of the car to maintain the set following distance.  
The system will automatically detect the speed and  
position of the vehicle ahead, if your vehicle speed is  
above 3 mph (5km/h), after pressing the 'Set' button  
(6) at the end of the adaptive cruise stalk lever, the  
Note: The Adaptive Cruise Control System (ACC) is  
designed for motorway cruising or any other journey  
where a constant speed or distance between your  
car and the vehicle in front can be maintained for a  
lengthy period.  
indicator on the instrument pack  
will turn green,  
and the adaptive cruise control system enters the  
Activated mode, its target speed is the actual speed  
at activation; if your vehicle speed is less than 20mph  
(30km/h), then the target speed of the system is set  
at 20mph (30km/h). If the speed of the vehicle ahead  
is greater than the cruise target speed of your vehicle,  
your vehicle will maintain the target speed to conduct  
constant speed cruise; if the speed of the vehicle ahead  
is lower than the cruise target speed of your vehicle,  
it will enter the car-following cruise, an image of your  
car and the car ahead separated by a grid is displayed  
in the instrument pack message centre, in this mode  
the actual speed may be less than the set target  
Adaptive Cruise Control System Activation  
The Adaptive Cruise Control system is operated with a  
lever switch located, at the left side of the steering wheel  
underneath the indicator/lighting stalk switch.  
1
With the vehicle START/STOP switch in the ON  
position, if the adaptive cruise lever switch is in the  
'OFF' position (7), then the adaptive cruise control  
system is switched OFF.  
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STARTING & DRIVING  
speed. Whilst in the car following cruise mode, you  
can follow the vehicle ahead to a stop, if the amount  
of time that the vehicle is in a stopped condition is  
less than approximately 3 seconds your vehicle may  
automatically pull away to follow the vehicle ahead, if  
the stopped time exceeds 3 seconds your car will not  
automatically pull away, you will receive a prompt in  
the instrument pack message centre requesting you  
to re-activate the adaptive cruise control using the  
method displayed.  
Whilst using the car following cruise  
function it is strongly recommended that  
the driver does not touch the accelerator  
pedal. Any activation of the accelerator  
will not allow the system to automatically  
apply the brakes should this be necessary.  
DO NOT exit the vehicle when the ACC  
car following cruise function has stopped,  
or is keeping the car stationary. Before  
exiting the car the shift control lever  
should be in the Park position, the parking  
brake applied and the power switch in  
the OFF position.  
4
After following the vehicle ahead to a  
stop, the driver must observe any local  
traffic laws and ensure that there are no  
obstacles or other traffic participants,  
such as pedestrians, directly in front of  
the vehicle before allowing it to pull away  
and begin to follow the vehicle ahead  
again.  
If the ACC system has already stopped the  
vehicle, and the ACC function is disabled,  
turned off or cancelled, the vehicle will  
no longer stay still, it may move forward  
or slip backward. When the vehicle is  
stopped and kept still by the ACC system,  
be sure to be ready to apply the brakes  
manually.  
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STARTING & DRIVING  
4
If the vehicle speed exceeds the maximum function  
speed of the ACC 90mph (150km/h)the system will  
automatically switch to the Standby mode, this means  
that all acceleration and braking manoeuvres must be  
carried out by the driver according to local traffic laws  
and traffic and road conditions.  
•
Approaching the vehicle ahead too fast, the adaptive  
cruise control system cannot apply sufficient  
braking force.  
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•
A vehicle suddenly cuts into the lane in front.  
The vehicle ahead makes an emergency braking  
manoeuvre.  
•
An oncoming vehicle crosses the centre of the road  
and is driving towards you in the same lane.  
Encounters a vehicle driving at a low speed.  
Encounters a vehicle with loaded items protruding  
from the body side, rear or roof of the vehicle.  
Encounters a vehicle with a higher chassis (e.g., a  
truck).  
5
If the adaptive cruise control system is already in use,  
the driver should pay special attention in the following  
conditions, select the appropriate speed, and be ready  
to take action or apply brakes.  
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IMPORTANT  
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•
When an image of your car and rear end of the  
vehicle ahead separated by a grid, is displayed in the  
instrument pack message centre the ACC system  
will make any necessary response to the vehicle  
ahead, if the image is not displayed the ACC system  
will NOT make any response, the responsibility for  
any manoeuvres rest with the driver.  
Encounters pedestrians, non-motor vehicles or  
animals.  
The vehicle is driving on a steep slope, an uneven  
road or a complex traffic road section.  
The vehicle makes a sharp turn.  
•
•
Water or snow splashed by surrounding vehicles  
hinders camera or radar detection.  
•
Encounters a vehicle or object which is stationary  
or traversing the lanes.  
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STARTING & DRIVING  
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Excessive weight being carried in the boot space  
or cargo area causing the front of the car to point  
upwards.  
or the vehicle ahead exceeds the preselected following  
distance, the speed will be increased to the set speed.  
Move the lever switch downward (2) and hold, the target  
speed will decrease until the desired set speed appears in  
the instrument pack, then release the switch. When it is  
determined that the vehicle ahead driving slowly is within  
the pre-selected following distance, the vehicle speed will  
decrease and keep the selected following distance.  
A fault exists in the system.  
Note: Manual deactivation of either the Traction  
Control System (TCS) or Stability Control System  
(SCS) will inhibit the operation of the Adaptive Cruise  
Control (ACC).  
Note: Briefly operate the adaptive cruise lever switch  
upward (1) or downward (2) once, the target speed will  
change 5mph (5km/h), press and hold the lever upward  
or downward and the speed will increase or decrease  
in 1mph (1km/h)increments, release the lever when the  
desired speed reading is displayed.  
4
Adaptive Cruise Target Speed Adjustment  
In order to set the target speed, the adaptive cruise control  
system must be in an active mode.  
Use the accelerator pedal to reach the desired speed, short  
press the 'Set' button (6) on the end of the adaptive cruise  
switch lever, release the control button and accelerator  
pedal. The vehicle will cruise at the desired speed.  
Note: If the vehicle ahead continually makes hard  
acceleration or deceleration manoeuvres the adaptive  
cruise control may not be able accurately maintain the  
required distance between vehicles. It is important  
that the driver always concentrates and pay attention  
to the current vehicle position and situation in case  
they need to make a braking or avoidance manoeuvre.  
Move the lever switch upward (1) and hold, the target  
speed will increase until the desired set speed appears in  
the instrument pack, then release the switch. When it is  
confirmed that there is no vehicle in front of your vehicle  
219  
STARTING & DRIVING  
Adaptive Cruise Target Following Distance  
Adjustment  
Automatic Deactivation of Adaptive Cruise  
In the following situations, the ACC may be automatically  
deactivated, this transfers full control of the vehicle to the  
driver.  
When the adaptive cruise control system is activated,  
rotate the switch on the end of the lever upward (8 ) or  
downward (9) to adjust the following distance, you are  
able to toggle between 3 distance settings, the current  
following distance setting will be stored by the system  
until it is changed, and displayed in the message centre in  
the instrument pack.  
•
•
•
•
•
Move the lever switch to 'Off' position (7).  
Press the brake pedal whilst the vehicle is in motion.  
Move the shift lever away from the D position.  
The driver unfastens his/her seat belt.  
Press and hold the accelerator pedal beyond a preset  
time period.  
Always select an appropriate following distance that is  
relative to the current speed of your vehicle and the  
vehicle you are following, the greater the speed, the  
further the distance. ALWAYS consider current traffic,  
road and weather conditions when making your selection.  
•
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•
Open any door, bonnet or tailgate.  
Pull the EPB switch up to apply the parking brake.  
Follow the vehicle ahead to a stop and the stop time  
exceeds 3 mins.  
•
The sensor or radar view is blocked, the ambient light  
condition triggers the preset safe exit mechanism of the  
light sensor, or the system fails.  
Adaptive Cruise Pause  
When the adaptive cruise control system is activated, move  
the lever switch to the 'Cancel' position (3 ), and the system  
will exit to the Standby mode.  
Note: If following the vehicle ahead to a stop with  
the adaptive cruise control system enabled, if any of  
the following conditions occur whilst the vehicle is in a  
stopped state, the EPB will automatically be applied:  
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STARTING & DRIVING  
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The driver unfastens his/her seat belt.  
The driver door is opened.  
Adaptive Cruise Resume  
If the ACC system has reverted to, or been switched to,  
the Standby mode it can be reactivated by moving the lever  
switch to 'Resume' position (5). The target cruise speed  
will automatically be set to the target speed before exiting  
the adaptive cruise control system.  
The stop time exceeds 3 mins.  
Adaptive Cruise Override  
If the driver has cause to use the accelerator pedal when  
the ACC is activated, the vehicle will remain in Cruise  
mode while the vehicle speed increases. When the  
accelerator pedal is released, the ACC will resume to  
operate at previously set cruise speed.  
When driving at a high speed, if the driver resumes to  
a lower target cruise speed, the ACC will decrease to  
the target cruise speed in a more gradual manner. If  
it is necessary to decrease to the target cruise speed  
rapidly, the driver may manually move the lever switch  
'Deceleration' (2).  
4
If the driver accelerates to a higher speed and then releases  
the accelerator the ACC will decrease to the target cruise  
speed in a more gradual manner. If it is necessary to  
decrease to the target cruise speed rapidly, the driver may  
manually move the lever switch 'Deceleration' (2).  
Clear the Speed Memory  
If the lever switch is moved to 'OFF' position (7) or  
the vehicle START/STOP switch is switched to the OFF  
position, the system may clear the adaptive cruise control  
set speed in the memory.  
Note: If the accelerator pedal is pressed and held  
above the preset time period the ACC may exit to the  
Standby mode.  
221  
STARTING & DRIVING  
Special Driving Environments  
The Adaptive Cruise Control (ACC) system has it's  
limitations. Listed below are some conditions that may  
be beyond the safe operating limits. The driver should  
maintain control of the vehicle and must remain alert at  
all times. They should pay special attention to the traffic  
conditions and surroundings, select the appropriate speed  
and be ready to take any required actions.  
When turning at an intersection or following a vehicle into,  
or out of a curve, the ACC system may be unable to detect  
the vehicle ahead, even if it is in the same lane, it is possible  
the system may detect a vehicle in another lane.  
Note: Do not use the adaptive cruise control system  
on entrance/exit ramps or sharp bends.  
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STARTING & DRIVING  
4
If the vehicle ahead changes lanes, but does not drive into  
the lane completely, the ACC system may be unable to  
detect the vehicle.  
When driving on uneven roads that may include steep  
climbs or dips please DO NOT use the ACC system.  
If the vehicle ahead changes lanes, but does not exit the  
lane completely, the adaptive cruise control system may  
determine that the vehicle ahead has exited the lane and  
accelerate to any preset speed.  
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STARTING & DRIVING  
•
The front view camera in the windscreen and/or  
radar sensor in the front bumper have a restricted  
field of vision, or severe weather such as heavy fog,  
heavy rain, heavy snow, ice, etc are affecting the  
sensor's field of view.  
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In conditions where the demist function of the  
windscreen is impaired.  
When driving the vehicle on a low-friction road  
(rapid changes in tyre traction may result in  
excessive wheel slip).  
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When driving on a strong reflective road surface as  
a result of rain, snow, or ice.  
When the radar may be affected by electromagnetic  
interference (for example, metal objects such as  
rails and metal plates for road construction).  
After the position of radar has changed (for  
example, collision, vibration).  
When driving behind  
a
vehicle that is only partially  
overlapping your vehicle, 'A' in the graphic, the ACC  
system may be unable to detect anything.  
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Note: Please DO NOT use the adaptive cruise control  
system in the following situations:  
Radar signals could be incorrectly reflected by local  
conditions (e.g., in multi-storey car parks, tunnels,  
water jets from sprinklers, etc.) these may degrade  
the function of the radar sensor.  
•
The ambient light level is insufficiently low,  
extremely bright, or the forward lighting of the  
vehicle is poor or compromised.  
224  

Related Topics

Starting & Driving
Stop-Start Intelligent Fuel Saving System Failure Starter Inoperative, Serious Battery Capacity Loss Cruise Control System Cruise Control System Activation Pause/Stand By Resume Adaptive Cruise Control System Activation Adaptive Cruise Target Following Distance Adjustment Adaptive Cruise Pause Adaptive Cruise Override Adaptive Cruise Resume Clear the Speed Memory Special Driving Environments Parking Aid System Ultrasonic Sensor Parking Aid Parking Camera Rear Driver Assistance System System Overview Switching the System Functions On/Off System Functions Driving Assist System Speed Assist System (SAS) Lane Keeping Assist System (LKA) MG Pilot System Forward Collision Warning System (FCW) Load Carrying Load Space Internal Loading General Towing Safety

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