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vehicle could roll away. There is a risk of an
accident.
Always brake the vehicle to a standstill using
the service brake in order to activate the fre-
quent-stop brake.
The frequent-stop brake uses less compressed
air than the parking brake. Use the frequent-
stop brake if you frequently pull away and stop
for short periods of time, e.g. in refuse collection
operation. The frequent-stop brake does not
replace the service brake or the parking brake.
Further information on parking the vehicle can
be found in the "Stopping and parking" section
Y
(
page 243).
If the ignition lock is switched to position 0 while
the frequent-stop brake is activated, the fre-
quent-stop brake remains activated. An event
window is shown in the on-board computer and
a warning tone sounds.
X
To activate: press the lower section of the
x switch.
The x indicator lamp in the status area of
the on-board computer lights up.
X
To deactivate: press the upper section of the
x switch.
or
X
Press the ¿ / x switch into the central
position.
The x indicator lamp in the status area of
the on-board computer goes out.
Vehicles with automatic manual transmis-
sion: when you activate the frequent-stop
brake, crawler mode is deactivated automati-
cally. You can find information on crawler mode
in the "Automated transmission" section
Y
(
page 257).
Hill holder
G
WARNING
If you brake in wintry road conditions with the
hill holder activated, the wheels can lock
shortly before stopping. Even if you take your
foot off the brake pedal, the wheels remain
locked. The vehicle may skid or slip away, e.g.
on uphill or downhill gradients. There is a risk
of an accident.
Never activate the hill holder in wintry condi-
tions.
G
WARNING
If you do not stop the vehicle using the service
brake, e.g. when coasting to a stop, the hill
holder will not be activated. The vehicle could
roll away. There is a risk of an accident.
Always brake the vehicle to a standstill using
the service brake in order to activate the hill
holder.
The hill holder assists you when driving on uphill
or downhill gradients. The hill holder prevents
the vehicle from rolling and facilitates controlled
pulling away.
X
To activate: press the upper section of the
¿ switch.
X
To deactivate: press the lower section of the
¿ switch.
Vehicles with automated manual transmis-
sion: if you do not depress the brake pedal while
the vehicle is stationary and the hill holder is
active, a warning tone sounds. The hill holder is
deactivated and the ¿ indicator lamp in the
instrument cluster goes out.
Brakes
249
Z
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