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Safety and Security
Driving safety systems
The electro-hydraulic brake system is
automatically activated when you
ț unlock the vehicle with the SmartKey
ț open the driver’s or passenger door
ț turn the SmartKey in the starter switch
to position 1
ț depress the brake pedal
ț release the parking brake
Warning! G
The electro-hydraulic brake system requires
electrical power to operate.
A malfunction in the vehicle’s power supply
or electrical system may impair brake sys-
tem operation and switch it into its emer-
gency operation mode. In such a case, the
red brake warning lamp (
୴ page 307)
comes on and warning messages
(
୴ page 334) appear in the multifunction
display while driving. To brake, the driver
must then apply significantly greater brake
pedal pressure and depress the pedal much
further to obtain the expected braking ef-
fect. If necessary, apply full pressure to the
brake pedal. Stopping distance is increased!
If there is a malfunction in the electro-hy-
draulic brake system, we recommend that
the vehicle be transported with all wheels
off the ground using flatbed or appropriate
wheel lift/dolly equipment.
A tow bar must be used if circumstances do
not permit the use of the recommended
towing methods and the vehicle requires
towing with all four wheels on the ground.
Towing the vehicle with all four wheels on
the ground is only permissible for distances
up to 30 miles (50 km) and at a speed not to
exceed 30 mph (50 km/h). For more infor-
mation, see “Towing the vehicle”
(
୴ page 373).
i
If the electro-hydraulic brake system is acti-
vated as the brake pedal is first depressed, you
may feel a reduced pedal resistance and longer
pedal travel than normal. When releasing the
pedal, you may also feel the brake pedal pulsate
and you may hear a sound which is caused by the
activation of the electro-hydraulic brake system
pump. This is normal and not an indication of a
malfunction. Pedal travel returns to normal when
you release the brake pedal and the sound soon
ceases.
If you experience the above while driving and the
red brake warning lamp (
୴ page 307) illumi-
nates and/or warning messages appear in the
multifunction display (
୴ page 334), the brake
system is malfunctioning. Follow the instructions
of the warning message(s) and have the brake
system checked immediately.