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DRIVER SUPPORT
308
Cessation of automatic braking
In some situations, automatic braking ceases on
coming to a standstill and Pilot Assist is set in
standby mode. This means that the brakes are
released and the car may start to roll - the driver
must therefore intervene and brake the car him-
self/herself to keep it stationary.
This may take place in the following situations:
•
the driver puts his/her foot on the brake
pedal
•
the parking brake is applied
•
the gear selector is moved to P, N, or R posi-
tion
•
the driver sets Pilot Assist in the standby
mode.
Automatic activation of parking brake
In certain situations, the parking brake is applied
in order to keep the car stationary.
This takes place if Pilot Assist is holding the car
stationary with the foot brake and:
•
the driver opens the door or takes off his/her
seatbelt
•
Pilot Assist has kept the car stationary for
more than approx. 5 minutes
•
the brakes have overheated
•
the driver switches the engine off manually.
Related information
•
Pilot Assist (p. 296)
Limitations of Pilot Assist
The Pilot Assist function may have limitations in
certain situations.
The Pilot Assist function is an aid which can help
the driver in many situations. But the driver is at
all times responsible for maintaining a safe dis-
tance to surrounding objects and a correct posi-
tion in the lane.
WARNING
In certain situations, Pilot Assist steering
assistance may have difficulty helping the
driver in the right way or it may be automati-
cally deactivated - in which case, the use of
Pilot Assist is not recommended. Examples of
such situations may be that:
•
the lane markings are worn, missing or
cross each other.
•
lane division is unclear, for example, when
the lanes divide or merge or at exits or in
the event of multiple sets of markings.
•
edges or other lines than lane markings
are present on or near the road, e.g.
kerbs, joints or repairs to the road sur-
face, edges of barriers, roadside edges or
strong shadows.
•
the lane is narrow or winding.
•
the lane contains ridges or holes.
•
weather conditions are poor, e.g. rain,
snow or fog or slush or impaired view with
poor light conditions, back-lighting, wet
road surface etc.
The driver should also note that Pilot Assist
has the following limitations:
•
High kerbs, roadside barriers, temporary
obstacles (traffic cones, safety barriers,
etc.) are not detected. Alternatively, they
may be detected incorrectly as lane mark-
ings, with a subsequent risk of contact
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