I n s t a l l a t i o n318. Installation■ Safety informationObserve the following safety guidelines when installing the car kit.• Only a qualified service technician should install or service the car kitusing the approved original Nokia parts supplied in the salespackage. Faulty installation or service may be dangerous and mayinvalidate any warranty which may apply to the car kit.End users should remember that the car kit comprises of complextechnical equipment that requires professional installation usingspecial tools and expert know-how.• Instructions given in this guide are general guidelines that apply tothe installation of the car kit in an automobile. However, due to thewide variety of car types and models available on the market, thisguide cannot consider the individual technical requirements relevantfor any particular vehicle. Contact the vehicle manufacturer fordetailed information about the vehicle in question.• The car kit is suitable for use only in a vehicle with a 12-V, negativegrounding. Use on other supply voltages or alternative polarity willdamage the equipment.• Remember that modern automotive systems include onboardcomputers where key vehicle parameters are stored. Improperdisconnection of the car battery may cause loss of data,necessitating extensive effort for reinitialisation of the system. If youhave any concerns, contact your car dealer before any installationwork is done.• Do not wire the car kit equipment to the high-voltage lines of theignition system.• When installing the parts of the car kit, ensure that none of theminterfere with or hinder the steering or braking systems or othercontrols or systems used in the operation of the vehicle (for example,airbags). Ensure that the car kit and any of its components are not
