How to Choose Car SecurityWhat to look for:Motion sensors let you leave the top down or the windows They are also good for protecting the cargo areas in vans and The sensors will sound the alarm if someone invades your Glass-break sensors sound the alarm when they "hear" a window This protects you from the thief who believes he can bypass your alarm by not opening the Driver's side priority unlock lets you open your door without unlocking the You can get in your vehicle without letting your guard Remote outputs allow you to expand the alarm's capabilities by adding features like a remote starter or window Most alarms come with at least one remote Consider everything you want the security system to do (now and in the future) when choosing an When Crime Guard interconnect harnesses are available for your vehicle， Crime Guard security systems are much easier to install than other Why buy a car security system?Protecting yourself and your family， as well as your vehicle and your car stereo are all excellent reasons to invest in a car security Additionally， most insurance companies offer lowered rates for vehicles equipped with an alarm — it'll pay for itself! A good security system not only makes your car more difficult to steal， it also makes it easier to live The small remote control that you carry with your keys lets you arm and disarm the alarm， lock and unlock your doors， and maybe even zap open your How's that for convenience? FREE wiring guide with your system!For most vehicles made up to 1995， Crutchfield gives you a sheet that tells the location and color of the wires you need to access in your For most vehicles made after 1995， we gladly provide the wiring information over the phone， by fax， or by e- This helpful information is FREE with your security system purchase! You also get our free publication， How to Install a Car Security S We help you install your own alarm and saveWhen you order your alarm from Crutchfield， you can also count on the exclusive toll-free Technical Support we offer our Sixteen hours a day， seven days a week， experienced， patient experts are ready to answer your questions (just have your invoice handy when you call) It's like having a pro look over your shoulder while you work! How a typical security system worksWhen you leave the car， push the button that arms your You hear your doors lock， and a siren chirp tells you your vehicle is If you've accidentally left a door ajar， the system alerts you with a different When you walk away， you feel confident， The first thing a thief sees when he approaches your car is a flashing LED that tells him your system is Often， that's enough to make him look If the thief tries to tamper with your vehicle， he'll get a warning chirp or a full siren The security system "brain" decides which sort of warning to give based on the severity of the tampering and the type of sensors the thief When you return to your car， use the remote to disarm the system and unlock your doors or pop open the You can even use the remote to sound the siren if you can't find your car or if someone is bothering Crime Guard harnesses make your security system installation a lot easierFor most vehicles， the installation begins with a Type A harness that makes connections for +12 volts， ground， starter disable and ignition — saving you time and effort on your Connect a couple of sensors and you've got basic (In some cases， you may need to splice a few wires to get all the features you ) Additional harnesses may also be available for your vehicle:for remote door-lock control for parking-light flash for dome light activation for trunk or hatch release for remote engine start
The society entered the information network time， the people no longer satisfy to the automobile request one kind of riding instead of walking tool， hoped the automobile is the life and the operating region one kind extends， on automobile on elephant in own office and family same work and At the same time， the automobile computerization also day by day rapidly develops， was considered is in an automobile technological development advancement revolution， the automobile computerization degree is weighs by regarding as the modern automobile level the important But along with the computer technology， the communication technology， the integrated circuit technology rapid development， take the numeral field bus as representative's scene measuring appliance， the equipment massive applications， a tedious scene segment bed sheet succinct field bus network replaces， the signaling quality also greatly enhances， the automobile also starts to march into the network In the near ten years， the user regarding automobile comfortableness， the security as well as the environmental protection and so on each performance request enhances In order to meet the need which these increase day by day， on the automobile the computer controls the electronic electric appliance equipment sharp growth， causes the automobile (is specially passenger vehicle) designs the electric appliance line arrangement to be more and more In addition， because because on the automobile each kind of electronic electric appliance meets the point insertion quantity along with it sharp increase， in the automobile travel process meets the point insertion the breakdown to create on the automobile the electronic electric appliance equipment malfunction question to be more and more In order to solve the above problem， very many new vehicle types (are specially upscale vehicle type) in the development starts widely to apply the computer network This article introduced the computer network technology in the automobile the application basic principle， elaborated the networking in the automobile interior and exterior application situation， introduced the automobile interior network characteristic and the automobile interior network standard， with emphasis narrated the control confined network CAN principal characteristic and the According to the automobile driving quality function influence division， may the automobile electronic products induction be two kinds: One kind is the automobile electronic control， including engine， chassis， automobile body electronic One kind is the vehicle carries the automobile electronic installation， including the automobile information system， the guidance system， the automobile sound and the television entertainment system， the vehicle carries the communications system， the surfer equipment and so Keywords: automotive， computer networks， local area network control， network standards
With the rapid development of expressway and auto continual improvement of traffic speed and increasing the density of the car， people pay more attention to the The superiority of brake system is the important factor of influence of traffic safety， and the quality of automobile brake often determines the brake system So improve brake developed more excellent quality of brake systems to improve its market competitiveness has important Automobile brake mechanical inertial test-bed is able to simulate the brakes the actual use of the mode and working environment， thus the more truely reflect automobile brake the braking It is
