Installation
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5. Installation
■ Safety information
Observe the following safety guidelines when installing the car kit.
• 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. 
• Instructions given in this guide are general guidelines which apply 
for 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 
for any particular vehicle. Contact the vehicle manufacturer for 
detailed information about the vehicle in question.
• The car kit is suitable for use only in a vehicle with a 12-V, negative 
grounding system. Use on other supply voltages or alternative 
polarity will damage the equipment.
• Remember that modern automotive systems include on-board 
computers where key vehicle parameters are stored. Improper 
disconnection of the car battery may cause loss of data, 
necessitating extensive effort for re-initialization of the system. If 
you have any concerns, contact your car dealer before any 
installation work is done.
• Do not wire the car kit equipment to the high-voltage lines of the 
ignition system.
• 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). Ensure that the car kit and any of its components are not 
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