BMW 5 Series Owners & Service Manuals

BMW 5 Series: Operation - Active Cruise Control with Stop&Go function

BMW 5 Series G30 2016-2024 Training Manual / Driver Assistance Systems / Cruise Control / Operation - Active Cruise Control with Stop&Go function

Activation and deactivation

The activation and deactivation of the ACC Stop&Go and the Dynamic Cruise Control are almost the same. ACC Stop&Go can either be activated while driving or at a standstill. For safety reasons, when the vehicle is at a standstill the function can only be put in Standby mode or deactivated while the foot brake is applied.

If the function is active, it can be interrupted by pressing the RES/CNCL button. The distance and speed will no longer be maintained and the set speed is greyed out in the instrument cluster.

The driver can select a desired distance in four stages using the left-hand multifunction button on the multifunction steering wheel (MFL). The following distance most recently selected is saved depending on the key being used.

  • The following graphic shows the button assignment for the Driver Assistance Systems on the multifunction steering wheel (MFL) in vehicles with the Active Driving Assistant Plus optional equipment (OE 5AT):

Cruise Control
G30 Buttons for ACC Stop&Go with Active Driving Assistant Plus optional equipment (OE 5AT)

  1. Button for activating or deactivating the Active Lane Keeping Assistant and Traffic Jam Assistant
  2. Button for activating or deactivating ACC Stop&Go
  3. Rocker switch for changing the set speed
  4. "SET" button for setting the speed of cruise control
  5. Button for adjusting the distance of the driver's vehicle to the vehicle driving ahead
  6. Button for calling up a saved set speed/temporarily switching off the cruise control

The following conditions must also be satisfied for activation:

  • Seat belt fastened and doors closed
  • Drive position "D" engaged and brake pressed
  • Engine running
  • Parking brake not activated
  • Camera and radar sensor operational
  • No system faults detected

The system is interrupted automatically in the following situations:

  • If the brakes are used.
  • If the selector lever position is moved out of position "D".
  • If the Dynamic Traction Control (DTC) is activated or the Dynamic Stability Control (DSC) is deactivated.
  • If the Dynamic Stability Control (DSC) is performing an adjustment.
  • If the seat belt is unfastened and the driver's door is opened in a stationary vehicle.
  • If the system has not detected an object for a long time, e.g. on rarely frequented sections of road with no distinct edge.
  • If the detection range of the radar is impaired, e.g. due to contamination or heavy precipitation.
  • Following a longer immobilization period, if the vehicle has been decelerated to a standstill by ACC Stop&Go.

The set speed is indicated in the instrument cluster in the familiar way; by a mark that moves round the speed reading. If ACC Stop&Go is activated, this mark is green, whereas in "Standby" mode it is grey and the last set speed is displayed. After the ACC Stop&Go function is activated or after the driver has adjusted the set speed, the current digital value is displayed. If the distance is changed, a symbol appears briefly as an acknowledgement. The symbol screen masks are for example the set speed and the distance bar. With each subsequent operation the display is shown for another three seconds.

The distances set by the driver, as well as the distances to any vehicles driving ahead, that must be maintained to ensure a safe distance are displayed between the two round instruments (speed reading and engine speed display). The distance setting is stored for the ID transmitter currently being used.

As with DCC, the symbol screen masks are complemented, if necessary, with notes in the instrument cluster for ACC Stop&Go.

With active control the displays are also shown in the Head‐Up Display (optional equipment OE 610).

If the system can no longer adjust a safe distance, for example due to very high differential speeds, then the driver is prompted to take over the vehicle handling by a flashing red vehicle symbol and an acoustic signal.

Displays

Cruise Control
Displays in the instrument cluster when ACC Stop&Go is activated

Cruise Control Display lights up black/grey, no vehicle symbol shown: System has been interrupted.

Cruise Control Distance control briefly paused, as the accelerator pedal is depressed.

Cruise Control Vehicle symbol and distance bars flash red and a signal sounds: Request for intervention by braking and, if required, evasive action.

Cruise Control Distance control (ranging) active: ACC Stop&Go adjusts to the set distance (distance 1).

The speedometer mark for the Active Cruise Control with Stop&Go function also lights up green in the speed reading.

Cruise Control Distance control (ranging) active: ACC Stop&Go adjusts to the set distance (distance 2).

The speedometer mark for the Active Cruise Control with Stop&Go function also lights up green in the speed reading.

Cruise Control Distance control (ranging) active: ACC Stop&Go adjusts to the set distance (distance 3).

The speedometer mark for the Active Cruise Control with Stop&Go function also lights up green in the speed reading.

Distance 3 is approximately half the value of the speed indicator in metres and is pre-set automatically when the system is first switched on.

Cruise Control Distance control (ranging) active: ACC Stop&Go adjusts to the set distance (distance 4).

The speedometer mark for the Active Cruise Control with Stop&Go function also lights up green in the speed reading.

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