Key Fob Extra Funtionality

Discussion in 'Gen 4 Prius Technical Discussion' started by Jorlan, Jun 27, 2016.

  1. Jorlan

    Jorlan Junior Member

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    I read somewhere that there are certain functions that you can have with the 4th Gen Prius Key Fob...Can you guys give me a list of what they are and how to do it?

    Thanks!
     
  2. Jim in NC

    Jim in NC Active Member

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    Hi Jorlan. One of the extra features that I have used is to Press and Hold the UNLOCK button to roll down all windows and sunroof (for when the car is hot).

    To enable it, you either have to get your dealer to program it, or get a Carista or similar device.
     
  3. Jorlan

    Jorlan Junior Member

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    Oh so I have to get a software or dealer program it for me? Nothing I can do just from the car and Key Fob?
     
  4. Jim in NC

    Jim in NC Active Member

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    Those 'fun' features are turned off by default I have learned.

    What type of functions were you looking for?
     
  5. Coast Cruiser

    Coast Cruiser Senior Member

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    In the owner's manual, there's a couple of things. One is the option to put the Fob in a battery-saving sleep mode... but I couldn't do it with mine.
     
  6. HamiltonPrius

    HamiltonPrius Member

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    It should work. Hold the door close button down while pressing the door open button twice. The fob should blink a couple of times to tell it is in sleep mode.

    If the fob is in sleep mode you will not be able to gasp the door handle and automatically unlock the door.

    Press any button on the fob to activate it again.
     
  7. Coast Cruiser

    Coast Cruiser Senior Member

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    Thanks. :) I got it working now. (fumble fingers.)
     
  8. DonDNH

    DonDNH Senior Member

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    One thing I've changed using the fob was to change from unlocking just the driver's door to unlocking all doors when grasping the driver's door handle. Simultaneously hold the lock and unlock buttons on the fob for 5 seconds. Your car will beep to let you know it changed the option. Repeat to return to original setting.
     
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  9. Coast Cruiser

    Coast Cruiser Senior Member

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    I was completely fine with just using an ignition key for 45 years. :D It never needs batteries! And I simply lock/unlock the doors by using the switch on the door panel.

    -spoken like a true "old guy."
     
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  10. Redpoint5

    Redpoint5 Senior Member

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    I never lock keys in the car because I have a routine of checking that I have them in hand before closing the door, but many people would have problems with your method of using the inside door locks to lock the door.

    The one thing that remote door locks has taken away is the romantic gesture of unlocking the passenger door first. I decided to continue the tradition by opening the passenger door first for my wife, which also has the added benefit of unlocking the other door too. Since I carry the key, the door won't open to her touch anyhow.
     
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  11. Coast Cruiser

    Coast Cruiser Senior Member

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    I too, was fortunate. In all those years I never had a lock-out. (But if I did, I simply kept a spare key in my wallet.)

    Now my question is... what happens if a person is out & about, and they accidentally lose the Fob someday? Now they can't unlock the car, nor start it.

    I like your "romantic gesture" of opening the passenger door first.
     
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  12. booke02

    booke02 Active Member

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    Didn't have an iginition key in my first car. You just turned on the dashboard switch, cranked the car a couple of turns, and you were in business.
     
  13. Anastaceyrose

    Anastaceyrose Member

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    Does anybody know if it is possible to lock the car, but keep it running? Now that it is summer, when I have my dogs with me and I need to run an errand, I would like to leave the a/c on for them. With previous cars I would just have 2 sets of keys with me so I could leave one in the ignition with the a/c on,lock it, then unlock with the other key.

    But in the Prius, it's impossible to lock the key inside, and I've never tried leaving the ignition on, then locking it from outside and walking away with the fob (I hate the word fob, btw) but I'm pretty sure that won't work either.
     
  14. krmcg

    krmcg Lowered Blizzard Pearl Beauty

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    Yes, you can lock the driver's side door with your physical key (located inside the FOB)
     
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  15. Anastaceyrose

    Anastaceyrose Member

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    No way!! So I can walk away With the fob with ignition on, and it won't start yelling beeps at me?
     
  16. krmcg

    krmcg Lowered Blizzard Pearl Beauty

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    It will give you three short chirps, then will remain quiet. Then all you will have to worry about is a good samaritan breaking your window becasue they can't tell that your car is running and the A/C is on.
     
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  17. Anastaceyrose

    Anastaceyrose Member

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    You are right, I think I'll copy this persons idea...


    image.jpeg

    Thank you!! My pups will appreciate it!
     
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  18. Coast Cruiser

    Coast Cruiser Senior Member

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    With all respect, I would still be concerned that the interior might get too hot? What temp would have to be set, in order for the engine to come on and power the AC?

    You may want to "practice" first with no dogs inside. Get out of the car for about 15 minutes, watch it, and see when/if the engine comes on, and how cool it gets inside? And should the windows still be cracked a couple inches?
     
  19. Redpoint5

    Redpoint5 Senior Member

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    No need to practice, it will work. The engine comes on whenever the battery charge drops below a certain threshold, independent of whatever temperature is set. Keep the windows up to maximize cooling efficiency, and set the vents to recirculate.
     
  20. Coast Cruiser

    Coast Cruiser Senior Member

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    That's correct, thanks Redpoint. I'm forgetting that the AC will still work off of the battery power. ( I thought the engine had to be on, too. :confused:)

    Back to my (old) man cave...