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Volkswagen Polo Owners Manual: Using a mobile telephone in the vehicle without a connection to the external aerial

Volkswagen Polo Owners Manual / Vehicle care and maintenance / Accessories, modifications, repairs and renewal of parts / Using a mobile telephone in the vehicle without a connection to the external aerial

First read and observe the introductory information and safety warnings

Both during telephone calls and in standby mode, mobile telephones transmit and receive radio waves, which may also be termed "high-frequency energy". Current scientific literature warns us that radio waves can be harmful to human beings if they exceed certain limits. Government bodies and international committees have introduced threshold values and guidelines to ensure that electromagnetic radiation produced by mobile telephones does not pose a hazard to health. However, there is no proven scientific evidence that demonstrates that cordless telephones are absolutely safe.

For this reason, some experts are calling for more precautions to be taken in the use of mobile telephones, by taking steps to reduce the level of personal exposure to electromagnetic radiation.

If a mobile telephone that is not connected to the vehicle's external aerial is used inside the vehicle, the level of electromagnetic radiation could be higher than when the mobile telephone is connected to an integrated aerial or any other external aerial.

If the vehicle is fitted with a suitable hands-free unit which enables the use of innumerable additional functions of Bluetooth® compatible mobile telephones, this will satisfy the legal requirements in many countries which permit the use of a mobile telephone in a vehicle only if a hands-free unit is used.

The factory-fitted hands-free system in your vehicle has been developed for use with mobile telephones that are compatible with Bluetooth®. Mobile telephones must be located in a suitable telephone holder or be stored securely in the vehicle. If a telephone holder is used it must be securely attached to the base plate. This is the only way to ensure that the mobile telephone is securely attached to the dash panel and always within reach of the driver. Depending on which hands-free system is installed, the connection between the mobile telephone and the external aerial is established either via the telephone holder or via an existing Bluetooth® connection between the mobile telephone and the vehicle.

Connecting the mobile telephone is to a telephone aerial integrated in the vehicle or to an external telephone aerial reduces the electromagnetic radiation generated by the telephone which could affect the human body. Using an aerial also improves the quality of the signal.

If a mobile telephone is used in the vehicle interior without this hands-free system, it is not safely secured in the vehicle and also not connected to the vehicle's external telephone aerial. Furthermore, the mobile telephone is not being charged in the telephone holder. It is also likely that the telephone connection will be disrupted and the signal strength will be poor.

A mobile telephone should only be used in the vehicle if it is connected to a hands-free unit. Volkswagen recommends the use of an external aerial when using a mobile telephone in the vehicle.

Bluetooth® is a registered trademark of Bluetooth® SIG, Inc.


If a mobile telephone is not secured or is incorrectly secured in the vehicle, it could be flung though the interior during a sudden driving or braking manoeuvre, or in the event of an accident. This can cause injuries.


If mobile telephones or two-way radios that are not connected to an external aerial are used, electromagnetic radiation in the vehicle could exceed limit values and thus be a health hazard for drivers and other vehicle occupants. This also applies to external aerials which have not been correctly installed.
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