Volkswagen Golf Owners Manual / While driving / Driver assist systems / Adaptive Cruise Control (ACC) / Operating Adaptive Cruise Control (ACC)
Fig. 169 Left-hand side of the multifunction steering wheel: buttons for operating the Adaptive Cruise Control (ACC)
First read and observe the introductory information and safety warnings
When the Adaptive Cruise Control (ACC) is switched on, the green indicator lamp 
in the instrument cluster lights up, and the speed memory and the status of the Adaptive Cruise Control are shown in the display .
Conditions for starting the Adaptive Cruise Control
- The selector lever must be in position D or S or be in the Tiptronic gate. A forward gear, but not 1st gear, must be selected in the manual gearbox.
- In vehicles with a manual gearbox, the actual speed should be minimum 30 km/h (18 mph) if no speed is stored.
Controlling speed
When switched on, the speed can be stored and set. The stored speed can vary from the speed actually being driven if the distance is being actively controlled.
| Function | Button on the multifunction steering wheel | Action |
|---|---|---|
| Switching on the ACC. | Press the  button on the multifunction steering wheel. | The system is switched on. No speed has yet been stored and the speed is not yet being controlled. |
| Switching between the ACC and the speed limiter. | Press the  button on the multifunction steering wheel. | This switches between the CCS and the speed limiter . |
| Activating the ACC. | Press the    button on the multifunction steering wheel. | Current speed is stored and controlled. If ACC is already active: Press briefly: reduce speed by 1 km/h (1 mph) and store. Press and hold: the stored speed is reduced continuously in steps of 1 km/h (1 mph) for as long as the button is pressed. A reduction in speed is achieved by accelerator release or automatic braking. |
| Switching off ACC temporarily. | Press the button on the multifunction steering wheel. OR: depress the brake pedal. OR: depress the clutch pedal for longer than 30 seconds. | Control is switched off temporarily. The speed is stored in the memory. |
| Resuming ACC control. | Press the  button on the multifunction steering wheel. | The stored speed is reactivated and controlled. If no speed has been stored yet, the ACC records and controls the actual speed. If ACC is already active: Press briefly: increase speed by 1 km/h (1 mph) and store. Press and hold: the stored speed is increased continuously in steps of 1 km/h (1 mph) for as long as the button is pressed. |
| Accelerating (during ACC control). | Press the  button on the multifunction steering wheel. | Press briefly: increase speed in increments of 10 km/h (5 mph) and store. Press and hold: the stored speed will be increased in steps of 10 km/h (5 mph) for as long as the button is pressed. |
| Decelerating (during ACC control). | Press the  button on the multifunction steering wheel. | Press briefly: reduce speed in increments of 10 km/h (5 mph) and store. Press and hold: the stored speed will be reduced in steps of 10 km/h (5 mph) for as long as the button is pressed. A reduction in speed is achieved by accelerator release or automatic braking. |
| Switching off the ACC. | Press the button on the multifunction steering wheel. | The system is switched off. The stored speed will be deleted. |
The mph figures given in brackets in the table relate exclusively to instrument clusters with mile readings.
Stop-and-go traffic and the vehicle automatically pulling away
If the ACC ready for start driver message is displayed in the instrument cluster and the vehicle ahead starts to move, the vehicle will also pull away. ACC ready for start can be reactivated or extended by pressing the button . It is displayed for approximately 3 seconds.
If ACC ready for start is no longer displayed, the vehicle will not start automatically, e.g. with active start/stop system. If the vehicle ahead has already moved on, you can pull off by pressing the button or by depressing the accelerator briefly. The ACC then continues regulating.
Automatic pulling away is not available for all vehicles and countries.
Setting the distance level
The speed-dependent distance from the vehicle in front can be set to one of 5 levels in the infotainment system .
In wet road conditions, you should always set a larger distance than when driving in dry road conditions.
The following distances can be pre-selected:
- Very small
- Small
- Medium
- Large
- Very large
The distance level to the vehicle ahead is set using the
button on the multifunction steering wheel . The ACC display appears when the button is pressed . To set the distance level, press the button.
When the highest level is reached, the distance returns to the lowest level when the button is pressed again.
The distance level can also be set using the or buttons on the multifunction steering wheel immediately after the button on the multifunction steering wheel has been pressed.
The 
button and the 
and Driver assistance function buttons in the infotainment system can be used to set the distance level that should be selected when the ACC is switched on .
Setting the driving programme
In vehicles with Driving Mode Selection, the selected driving mode (Driving Mode Selection) can affect the acceleration response .
The following driving modes can be selected:
- Normal
- Sport
- Eco
In vehicles without Driving Mode Selection, the acceleration response can be affected by the driving mode selected by pressing the button and the and Driver assistance function buttons in the infotainment system .
The following conditions can prevent the Adaptive Cruise Control (ACC) from reacting:
- If the accelerator is depressed.
- If no gear is selected.
- If the ESC is taking corrective action.
- If the driver has not fastened seat belt.
- If there is a fault in several brake lights on the vehicle or on a trailer with an electrical connection to the vehicle.
- If the vehicle is reversing.
- If the vehicle is travelling faster than approximately 160 km/h (100 mph).
WARNING
If you do not maintain the minimum distance to a vehicle in front and the difference in speed between the two vehicles is so great that the braking action of the ACC is insufficient, you are in danger of colliding with the vehicle in front. You should reduce the vehicle speed immediately with the foot brake.
- The ACC may not be able to recognise all driving situations correctly.
- Leaving your foot on the accelerator will mean that the ACC will not brake automatically. This is because manual acceleration overrides the system.
- You should always be prepared to brake the vehicle yourself.
- Observe country-specific regulations regarding the minimum distance.
The set speed will be deleted if the ignition or the ACC is switched off.
The ACC is automatically deactivated when the traction control system (TCS) is deactivated.
In vehicles with a start/stop system, the engine is switched off automatically during the stationary phase of ACC and is then restarted for moving off.
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FAQs
What does ACC mean on VW Golf? ›
Volkswagen's safe distance technology.
Adaptive Cruise Control (ACC) helps to avoid accidents by always keeping your car at a safe distance from the traffic ahead.
Press the MAIN button on your steering wheel. ACC will appear in the instrument panel, along with Lane Keeping Assist System (LKAS). The cruise speed can be set while driving below 25 MPH or even while the vehicle is stopped with your foot on the brake pedal.
Do you leave your car on ACC at the drive in? ›Generally speaking - No. The 'Acc' position on your ignition switch is designed to only supply power to limited items such as the sound system and often the fan. A battery in reasonable condition will power these accessories easily for two hours and more and still be able to start the car afterwards.
Why is my Adaptive Cruise Control not working? ›Any issues with your car's electrical components can cause the cruise control to stop working. These issues could be something as simple as a loose wire or connector, or something more complicated like a damaged alternator, starter, or electrical short circuit.
How do you engage Adaptive Cruise Control? ›How to Get Started With Adaptive Cruise Control. 1. To turn the feature on, press the cruise control On/Off button on the steering wheel. Your vehicle will default to the type of cruise control you last used when you turned your vehicle off.
How does VW ACC work? ›Adaptive Cruise Control ACC helps you to maintain a previously set maximum speed 02 and a predefined distance to the vehicle ahead 03. In conjunction with a navigation system, ACC is enhanced by predictive cruise control and a cornering assist function.
What is the ACC light on my VW? ›An amber Adaptive Cruise Control (ACC) warning means action is required. ACC is not currently available. Stop the car when it is safe to do so and turn off the engine. Restart the car and check the radar for obstructing dirt, ice, etc.
Why is my ACC not available? ›The radar sensor has been displaced or damaged, e.g. due to damage to the front of the vehicle. Check whether damage is visible. Fault or malfunction. Deactivate and reactivate the vehicle's drive system.
What is ACC vs normal cruise control? ›Conventional Cruise Control can maintain a steady speed that you set. Adaptive cruise control (ACC) is an enhancement of conventional cruise control. ACC automatically adjusts the speed of your car to match the speed of the car in front of you. If the car ahead slows down, ACC can automatically match it.
What is the ACC mode key? ›ACC / ACCESSORY (ACC ON)
The second position is the ACC/ACCESSORY position, which allows you to use your radio, windshield wipers, and other accessories while the engine is off. This position should also be used in the event that your vehicle is being pushed or towed. In this position, the engine is off.
What happens when your car is on ACC? ›
ACC in ignition turns on the car accessories but not the engine. In other words, the engine does not switch on when you turn the key to the second ignition position. Your car's radio, power windows, windshield wipers, lights, heat, and air conditioning can function without the engine being switched on.
What is the ACC on the key switch? ›ACC / ACCESSORY (ACC ON)
The second position is the ACC/ACCESSORY position, which allows you to use your radio, windshield wipers, and other accessories while the engine is off. This position should also be used in the event that your vehicle is being pushed or towed. In this position, the engine is off.