BMW 2005 525i Sedan オーナーマニュアル

 107

BMW discourages the use of mobile 
communications devices, e.g. portable 

phones, inside the vehicle without a direct con-
nection to an outside antenna. Otherwise, the 
vehicle electronics and mobile communication 
device can influence one another. In addition, 
there is no assurance that the radiation which 
results from transmission will be dissipated 
from the vehicle interior.

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This feature is controlled by two photocells in 
the inside rearview mirror. One is integrated into 
the glass of the mirror, while the other is located 
at an offset position on the rear of the mirror 
housing.
For trouble-free operation, keep the photocells 
clean and do not cover the area between the 
interior rearview mirror and the windshield. Do 
not attach stickers of any kind to the windshield 
in front of the mirror, either.

When driving on wet or slushy roads, 
reduce road speed. If you do not, a wedge 

of water can form between tires and road sur-
face. This phenomenon is referred to as hydro-
planing, and is characterized by a partial or 
complete loss of contact between the tires and 
the road surface, ultimately undermining your 
ability to steer and brake the vehicle.

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The risk of hydroplaning increases as the tread 
depth of the tires decreases, refer also to Mini-
mum tire tread on page

Do not drive through water on the road if it 
is deeper than 1 ft/30 cm, and then only at 

walking speed at the most. Otherwise, the vehi-
cle's engine, the electrical systems and the 
transmission may be damaged.

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On inclines, do not hold the vehicle with 
the clutch; use the handbrake. Otherwise 

greater clutch wear will result.

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Start off quickly on slopes. Do not hold 
the vehicle on a hill by pressing the accel-

erator, but apply the handbrake instead. Other-
wise overheating can occur in the transmission 
region.

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Your BMW is equipped with ABS as a standard 
feature. In situations that require it, it is best to 
brake with full force. Since the vehicle maintains 
steering responsiveness, you can still avoid 
possible obstacles with a minimum of steering 
effort.
Pulsation of the brake pedal, combined with 
sounds from the hydraulic circuits, indicate that 
ABS is in its active mode.

Do not drive with your foot resting on the 
brake pedal. Even light but consistent 

pedal pressure can lead to high temperatures, 
brake wear and possibly even brake failure.

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When roads are wet or there is heavy rain, 
briefly exert gentle pressure on the brake pedal 
every few miles. Monitor traffic conditions to 
ensure that this maneuver does not endanger 
other road users. The heat generated in this 
process helps dry the pads and rotors to ensure 
that full braking efficiency will then be available 
when you need it.

Online Edition for Part-No. 01 41 0 158 518 - © 09/04 BMW AG