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Thread: Bluetooth keyless entry system?

  1. #11
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    OEM transponders have a very, very limited range - making it unpractical to use the OEM transponder with aftermarket systems. You'll be lucky to get it to read a signal past 3".

  2. #12
    Maximum Bitrate redls1bird's Avatar
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    You guys are forgetting the multiple uses of the standard blade key. It not only allows the lock cylinder to turn, starting the engine, but it does other things as well. It also releases the steering wheel lock so you can turn you wheel. Also, in newer models, it allows you to take the vehicle out of park via a cable or switch connected to an electronic solenoid. Just some more things to consider when trying to set up an auto start.
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  3. #13
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    The only realy issue would be the mechanical wheel lock. It would have to be eliminated. Everything else could be simulated electronically.

    I built a pushbutton start system for my G35, but it still uses the OEM key for security. I'm hoping to add an RF link to it that would allow it to bypass the OEM security.

    Here's the module I have:


    Here it is in the car:


    Here is a video of it in action:
    http://www.kptechnologies.com/images...pbstartg35.mpg (~8.3megs)

  4. #14
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    The G35's have that exact button stock.

  5. #15
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    The newer ones do. Mine is an '04.

    That particular button is actually out of an Altima, which is why the backlight is amber instead of white like in the newer G35s.

  6. #16
    FLAC WuNgUn's Avatar
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    My Viper Alarm has a remote start, and my push-button taps into it...
    Similar ideas, but I have the added security of an alram...
    Nice button though!

  7. #17
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    I modified my system this weekend to work without holding the button down while starting. Now, you press the brake down, press and release the start/stop button and the car starts.

    Once the car is running you press the start/stop button again and it kills the car.

    Next task is to eliminate the need for the OEM key!

    Here's a little video of it working without holding the button down while starting:

    [media]http://www.kptechnologies.com/images/pushbutton/pbstartg35.mpg[/media]

  8. #18
    FLAC WuNgUn's Avatar
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    I want to make a simple 555 timing circuit, so when I hold my start button for 3 seconds, it powers up the ACC. only...and I might tap into the ACC to power the windows...
    To start mine, the button needs to be pressed twice...

  9. #19
    FLAC
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    Quote Originally Posted by WuNgUn View Post
    I'm not BUYING a car that's push button start Maheriano...I'm building it. And as such, I can have it setup any way I want eh! lol
    I'm going to remove the key barrel altogether. The Viper already has a 'pill' that's programmed with the keys RFID and is powered up upon starting...
    All I want to add is a walkup feature that automatically disarms the car without me having to push the keyfob...
    This could get annoying if it's outside your house and as you walk from the kitchen to your living room it disarms because you're close enough and then when you go back to the kitchen it arms because you walked too far away. This could happen all day long. And if you forget something just as it arms and you run back before it can recognize the disarm, the doors will still be locked. Then you have to run away from the car and run back to get it to open.
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  10. #20
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    I was looking at doing roughly the same thing a while back....I came across this company:

    http://www.connect2car.com. They have programs for most bluetooth-enabled cell phones as well as a bluetooth\serial connection for use on a computer. last i check, it runs about $500.


    -Shorty

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