BMW 745 2002, Owner'S Manual

Page: 64 / 208

At a glance
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Reference
63
You have two separate options for
engaging the parking brake:
>
Manually, by briefly pressing the button
>
Automatically, through activation of the
Automatic Hold mode, refer to next
column.
An electrohydraulic mechanism then
engages the parking brakes to prevent the
rear wheels from turning whenever you
switch off the engine.
When the engine is running, parking brake
engagement is controlled by the brake
system's hydraulic circuits, which act on
the disc brakes at the front and rear
wheels.
Brake pedal feel
Because this function is activated using the
brake system's hydraulic circuits, the
response of the brake pedal may change
slightly. Engagement may also be accom-
panied by activation noise – this is normal.
Manual engagement
Press the button briefly, the
word "PARK" appears briefly in
the Info Display.
The
indicator lamp
appears in red in the Info
Display when the parking brake is
engaged, refer to page
14 .
The indicator lamp goes out
soon after you switch off the igni-
tion.
<
Manual release
With the ignition on, briefly
press the button: the indicator
lamp in the Info Display goes
out.
Provided that the detent holding the
remote control unit in the ignition lock
is engaged, you can also release the
parking brake after the engine has been
switched off. This function is intended for
use in automatic car washes, etc.
<
When leaving the vehicle, always
release the remote control unit from
the detent in the ignition lock; this precau-
tion prevents children from disengaging the
parking brake, etc.
The parking brake can still be engaged at
any time when the remote control unit is
released from the detent. It is only possible
to disengage the parking brake with the
ignition on.
<
If exceptional circumstances should
make it necessary to engage the
parking brake while the vehicle is in motion,
maintain pressure on the button.
The indicator lamp appears in red in the
Info Display. A gong sounds at the same
time.
The brake lamps come on.
The vehicle continues to brake automati-
cally for as long as you maintain pressure
on the button.
<
When you brake the vehicle to a
virtual stop, i.e., down to a speed of
approx. 1.9 mph (3 km/h) or below, the
parking brake remains engaged.
The indicator lamp
in the Info Display
appears in red. Press the button briefly to
disengage the parking brake manually.
<
Automatic Hold
You can activate this feature after starting
the engine; it then remains operational until
the next time the engine is switched off.
This feature provides supplementary
support during vehicle operation by auto-
matically engaging and releasing the
parking brake during stops at traffic lights,