BMW 5 Series: Mobile communication devices in the 
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It is advised that you do not use mobile communication Mobile communication devices in the vehicle
It is advised that you do not use mobile communication devices, e.g., mobile phones, inside the vehicle without connecting them directly to the external antenna. Otherwise, the vehicle electronics and mobile communication devices can interfere with each other. In addition, there is no assurance that the radiation generated during transmission will be discharged from the vehicle interior.◀

    Climate control laminated tinted safety glass
    The vehicle glass provides full protection against the harmful effects of UV radiation on the skin. ...

    Hydroplaning
    On wet or slushy roads, a wedge of water can form between the tires and road surface. This phenomenon is referred to as hydroplaning. It is characterized by a partial or complete loss of contact ...

    See also:

    Electric Power Steering
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    Manual locking
    In certain situations (e.g., if there is no electrical current in the vehicle), the doors can be locked manually. The detachable key blade (see page 59) can be used in the lock cylinder in the dr ...

    Lap/Shoulder Belt Untwisting Procedure
    1. Enter the vehicle and close the door. Sit back and adjust the seat. 2. The seat belt latch plate is above the back of the front seat, next to your arm. Grasp the latch plate and pull out the ...