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If the driver does not respond, the system will give another warning by initiating a quick jolt of the
brake before switching to passive or activating Emergency Assist (depending on the equipment)
⇒
Emergency Assist
.
Behaviour when changing lanes
There is no steering intervention when the turn signal is switched on in vehicles without lane
keeping system.
In vehicles with lane keeping system, a steering intervention takes place if the turn signal is
⇒
switched on in critical situations
Lane change system (Side Assist) incl. Rear Traffic Alert
Steering wheel vibration
If the steering wheel vibrates, the driver must actively take over steering.
Troubleshooting
First read and observe the introductoryinformation and safety warnings
Introduction
No camera visibility, error message, system switches itself off
• Clean the camera or remove stickers or accessories from the camera
the vehicle exterior
.
• Check whether any damage is visible.
The system is not responding as expected
⇒
• The camera is dirty
Caring for and cleaning the vehicle exterior
impaired by dirt and snow or also residue from cleaning agents or coatings.
• The camera is covered by water.
• The vehicle is damaged in the area of the camera.
• Changes have been made to the paintwork around the camera or the construction has been
modified, e.g. vehicle front end or the running gear.
Traffic Jam Assist
Traffic Jam Assist helps the driver to
keep in lane, and also provides
assistance when following other
vehicles in congestion or slow-moving
traffic.
Traffic Jam Assist is an extension of the lane keeping system (Lane Assist)
®
(Lane Assist)
for vehicles with a DSG dual clutch gearbox and combines this function with the
⇒
Adaptive Cruise Control (ACC)
Adaptive Cruise Control (ACC)
chapters and observe the information about the system limits and warnings.
Traffic Jam Assist function
At speeds under 60 km/h (37 mph), Traffic Jam Assist can maintain a time interval set by the driver
to a vehicle in front and help the vehicle to stay in lane
The system automatically controls acceleration, braking, steering and, if required, will decelerate to
a stop behind a vehicle that is stopping, and then drive away again automatically.
Use Traffic Jam Assist only on motorways and good main roads. Do not use Traffic Jam Assist in
urban traffic.
Switching Traffic Jam Assist on and off
Traffic Jam Assist is switched on and off together with adaptive lane guidance
system (Lane Assist)
in the Infotainment system
system
.
Traffic Jam Assist can also be switched off together with the lane keeping system by pressing the
⇒
button for driver assist systems
Button for driver assist systems
Technical requirements for using Traffic Jam Assist
• The lane keeping system is switched on and active together with adaptive lane guidance
⇒
Lane keeping system (Lane Assist)
• Adaptive Cruise Control (ACC) is switched on and active
• The selector lever is in position D/S or in the Tiptronic gate.
• The system has detected a lane marking on both the right and left sides of the vehicle
⇒
Fig. 147
.
• The speed is under 60 km/h (37 mph).
⇒
Caring for and cleaning
. The camera visibility may be
⇒
Lane keeping system
. Please therefore read both these
⇒
.
⇒
Lane keeping
⇒
Operation and display in the Infotainment
.
.
⇒
Adaptive Cruise Control (ACC)
.
⇒
.
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