[. . . ] DECLARATION OF CONFORMITY Hereby, NOKIA CORPORATION, declares that this HF-21W product is in compliance with the essential requirements and other relevant provisions of Directive 1999/5/EC. Reproduction, transfer, distribution or storage of part or all of the contents of this document in any form without the prior written permission of Nokia is prohibited. nokia , Nokia Connecting People , and Navi are trademarks or registered trademarks of Nokia Corporation. Other product and company names mentioned herein may be trademarks or tradenames of their respective owners. [. . . ] Check that you have selected the correct audio source in the car radio. If you use the music player feature of your mobile device, check that your device model is shown on the compatibility list in the support area of the car kit at www. I cannot hear music played with the music player when the mobile device or music player is connected to the car kit. â· If you use the music player feature of your device, check that your device model is shown on the compatibility list in the support area of the car kit at www. The car radio is not muted when I answer a call or hear a navigation instruction. Ask the technician who installed the car kit to ensure that the mute line is properly connected. Ask the technician who installed the car kit to ensure that the ignition sense wire is properly connected. The battery of the mobile device does not charge when the device is connected to the car kit. â· Only a qualified service technician should install or service the car kit using the approved original Nokia parts supplied in the sales package. Faulty installation or service may be dangerous and may invalidate any warranty which may apply to the car kit. End users should remember that the car kit comprises complex technical equipment that requires professional installation using special tools and expert know-how. â· Instructions given in this guide are general guidelines that apply to the installation of the car kit in an automobile. However, due to the wide variety of car types and models available on the market, this guide cannot consider the individual technical requirements relevant to any particular vehicle. The car kit is suitable for use only in vehicles with 12-V, negative grounding. Use on other supply voltages or alternative polarity will damage the equipment. â· Remember that modern automotive systems include onboard computers where key vehicle parameters are stored. improper disconnection of the car battery may cause loss of data , necessitating extensive effort for reinitialization of the system. If you have any concerns, contact your car dealer before any installation work is done. â· Do not wire the car kit equipment to the high-voltage lines of the ignition system. â· When installing the parts of the car kit, ensure that none of them interfere with or hinder the steering or braking systems or other controls or systems used in the operation of the vehicle (for example, airbags) or disturb your field of vision while driving. Car kit and any of its components are not installed where you might come in contact with it in the event of an accident or collision. When mounting a mobile holder, ensure that the phone display is clearly visible for the user. [. . . ] Use the supplied double-sided adhesive tape to fix the microphone to reduce the amount of background noise of the car that can interfere with your calls. Insert the microphone plug into the microphone connector on the hands-free unit, and turn the plug clockwise to lock it firmly. Use of any other microphone than the microphone MP-2 supplied with the car kit may impact the audio quality. With the cable you can connect the car kit to a music player to listen to music while you use the car kit through a Bluetooth connection with a compatible mobile device for call handling and charge the battery of the mobile device from the car battery. [. . . ]