Audi Q7 - Pre Sense Front; ACC Units

24
1)
Not available in all countries.
637_024
Pre sense front
With Audipresensefront, the following actions can be initiated:
• Audible and visual early warnings
• Acute warning by brake jerk
• Pre-charging of the brake system
• Adaptation of hydraulic brake assist
• Partial braking operations I andII
1)
• Target braking
1)
• Automatic emergency braking
1)
• Turn assist
1)
• Evasion assist
• Switching on the hazard warning flashers
1)
If the vehicle is equipped with Audipresensefront, it also has the
following equipment and auxiliary functions.
• ACC (Adaptive Cruise Control)
• Front camera for driver assistance systems
ACC uses two "long-range" radar sensors which have the capacity
to detect objects within a range of up to 250m in front of the
vehicle. For this purpose, the vehicle is equipped with two radar
sensors and two accompanying control units. Each radar sensor
combines with a control unit to form an ACC unit.
637_023
ACC units
The ACC unit is installed in the front bumper on the right-hand side
of the vehicle, together with the right adaptive cruise control
sender G259 and the ACC control unit J428.
The ACC unit is installed in the front bumper on the left-hand side
of the vehicle together with the left adaptive cruise control sender
G258 and the ACC control unit 2 J850.
The ACC unit on the left driver's side acts as a master control unit.
The ACC unit on the right-hand side of the vehicle is connected to
the master control unit via a sub-bus system.
Front camera for
driver assistance systems
R242
ACC unit with:
• Right adaptive cruise control sender G259
• ACC control unit J428
ACC unit with:
• Left adaptive cruise control
sender G258
• Control unit 2 for
adaptive cruise control J850
ACC unit
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