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Old 01-24-2019, 12:14 PM   #1
ItzNotLuCk
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Default Subaru Sti 2018 limited keyless start

Hi I was thinking about getting a Subaru Sti and I am buying it salvage so it has some damage and I have to find one that I like from a limited amount of Subaruís. And the one I found is 2018 Limited STI itís real nice and not bad damage for me to fix. Just one thing I donít like about it is that it has keyless start. And I was wondering if anyone has switched it back to key start or is that not really a option. And thanks for anyone helping me this is what itís come down to for me. To buy the car or not
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Old 01-24-2019, 01:11 PM   #2
Loyale93
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Why... would you do that??

Why... are you buying a salvaged STI???

Please fill in your profile.
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Old 01-24-2019, 01:14 PM   #3
rtv900
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Originally Posted by Loyale93 View Post
Why... would you do that??
because some people think those cheese push button starts are cheese as hell since they are just electronic starts and you don't actually control the starter with the button and release it when the engine fires, you just flick the button and a computer does the job

just a guess though
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Old 01-25-2019, 07:23 AM   #4
vapore0n
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Quote:
Originally Posted by rtv900 View Post
because some people think those cheese push button starts are cheese as hell since they are just electronic starts and you don't actually control the starter with the button and release it when the engine fires, you just flick the button and a computer does the job

just a guess though
I was one of those that wanted proper key starter. Vowed never to purchase a car with keyless.

Now, I cant stand having to pull out my key to open the door or start the car.
Keyless > *

The only time I wish it was mechanical instead of push button is when I stall. I have to wait a few secs to start again.
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Old 01-25-2019, 07:28 AM   #5
rtv900
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^ha
yeah I guess maybe I'm just clinging to that since I've never had a keyfob

I do wish they were like true push button starts though where the button actuates the starter just like turning the key does, and then you release just like releasing the key back to the run position

although I'm sure it wouldn't be possible as most people could never grasp that
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Old 01-25-2019, 08:15 AM   #6
Charlie-III
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Quote:
Originally Posted by rtv900 View Post
I do wish they were like true push button starts though where the button actuates the starter just like turning the key does, and then you release just like releasing the key back to the run position

although I'm sure it wouldn't be possible as most people could never grasp that
Really old car had real push buttons, lots of general aviation aircraft have real pushbuttons. So yes, they can work and people accept them.
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Old 01-25-2019, 09:49 AM   #7
rtv900
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Originally Posted by Charlie-III View Post
So yes, they can work and people accept them.
right, I know they can work and do work
My point is, clearly the 'average' consumer wants less than nothing to do with a true push button start otherwise more than zero manufacturers would use them.
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Old 01-25-2019, 10:47 AM   #8
TheNovaScotian
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Quote:
Originally Posted by ItzNotLuCk View Post
Hi I was thinking about getting a Subaru Sti and I am buying it salvage so it has some damage and I have to find one that I like from a limited amount of Subaruís. And the one I found is 2018 Limited STI itís real nice and not bad damage for me to fix. Just one thing I donít like about it is that it has keyless start. And I was wondering if anyone has switched it back to key start or is that not really a option. And thanks for anyone helping me this is what itís come down to for me. To buy the car or not
If the FOBs are with it buy it. I wouldn't let that deter you from buying the car.
My 19 is my first Key-less and I love it.
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Old 01-25-2019, 11:13 AM   #9
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Once you get keyless entry/start, you'll never want to go back. The only thing that I don't like is there's no fail-safe to start the car if the battery in our fob goes bad. You can get it, just not start it.
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Old 01-25-2019, 12:09 PM   #10
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Originally Posted by Panacea View Post
Once you get keyless entry/start, you'll never want to go back. The only thing that I don't like is there's no fail-safe to start the car if the battery in our fob goes bad. You can get it, just not start it.
I was under the impression that the batter does not affect the transmitter in the FOB. It's a stand alone unit that communicates with the car. I could be wrong though.
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Old 01-25-2019, 12:47 PM   #11
R1Armadillo
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Quote:
Originally Posted by vapore0n View Post

Now, I cant stand having to pull out my key to open the door or start the car.
Keyless > *
^THIS!
Unless someone is with me and I know they're going to reach the car first, is the only time I'll pull the fob to open the door. LOVE it other wise!

Quote:
Originally Posted by Valenzx View Post
I was under the impression that the batter does not affect the transmitter in the FOB. It's a stand alone unit that communicates with the car. I could be wrong though.
If the fob dies, can you not push the fob to the start button and the transmitter will work?
My keyless Mazda3 worked like this, and I had to do it after about a year and a half when the fob battery died.
Have only had my '18 STi since April last year sooo...
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Old 01-25-2019, 12:49 PM   #12
R1Armadillo
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Also, do you have pics?
Wondering what kind of Salvage STi you found at what price that makes this an option for you?
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Old 01-25-2019, 02:50 PM   #13
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In my wife's Escape, the battery died in the fob. The car would not start. Something has to power the transmitter so it sends a signal to the car.
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Old 01-25-2019, 04:37 PM   #14
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Quote:
Originally Posted by Panacea View Post
Once you get keyless entry/start, you'll never want to go back. The only thing that I don't like is there's no fail-safe to start the car if the battery in our fob goes bad. You can get it, just not start it.
If the battery in the fob is dead, you need to place the fob near the push start button to start the car.
Some cars are a bit different like Mustang is under the cup holder there is a sensor.
There are two circuits in the fob. One is powered off the battery to give you the range to unlock and start the car. The other sensor is passive like those chips in keys to disable the immobilizer to start the car.
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Old 01-25-2019, 05:52 PM   #15
Quark
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i have a 2016 WRX Limited (not an STI) and it originally had keyless start but switched back once the Pioneer NEX deck was installed.
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Old 01-28-2019, 01:14 PM   #16
SirBrass
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Quote:
Originally Posted by Panacea View Post
Once you get keyless entry/start, you'll never want to go back. The only thing that I don't like is there's no fail-safe to start the car if the battery in our fob goes bad. You can get it, just not start it.
Not true. You hold the FOB against the button. As I understand it, there's a RFID chip in the FOB that the pushbutton assembly can then read that allows the car to be started.

I didn't really want push-button either (didn't care, really) when I got my BRZ, but the only 6MT they had on the lot was a Limited, so I took that. I got spoiled by keyless entry/pushbutton start almost immediately. Absolutely loved it. Thus, when I decided on a WRX, I knew I wanted keyless entry/pushbutton start as well.
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Old 01-31-2019, 05:47 PM   #17
Valenzx
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Originally Posted by SirBrass View Post
Not true. You hold the FOB against the button. As I understand it, there's a RFID chip in the FOB that the pushbutton assembly can then read that allows the car to be started.
Pretty much this^^ I believe there is a chip in the FOB that does not require the battery and that's why you can unlock the doors without pressing the buttons on the FOB. It would be crazy if you were out somewhere without a spare and your FOB dies and leaves you stranded.

I guess I can pull the battery and test it this weekend.
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Old 01-31-2019, 08:56 PM   #18
JustyWRC
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Also make sure the buttons on the FOB are facing the start button. Not sure if that is still true. Haven't come across that with the current keys; but, was a fact with the first keyless starts Subaru got.
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Old 02-11-2019, 11:58 AM   #19
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Something not said here that is a HUGE downside to these pushbutton start cars is people can intercept your keyless radio waves and program some dummy FOB and go drive your car away.

Something that is way harder with the old key ignition.
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Old 02-12-2019, 08:15 AM   #20
SirBrass
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Originally Posted by some dude View Post
Something not said here that is a HUGE downside to these pushbutton start cars is people can intercept your keyless radio waves and program some dummy FOB and go drive your car away.

Something that is way harder with the old key ignition.
Hard to intercept waves when the communication happens within only a few feet.

My remote start occurs over encryption on FM on a different FOB. I don't lock or unlock the car from a distance since I just touch the handle to unlock. The range of reception for keyless access that doesn't require manipulation of the FOB (which occurs over IR, IIRC) is measured in feet. Not easy at all to intercep that. It's low powered and range limited for that very reason.
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Old 02-12-2019, 08:24 AM   #21
rtv900
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Something not said here that is a HUGE downside to these pushbutton start cars is people can intercept your keyless radio waves and program some dummy FOB and go drive your car away.

Something that is way harder with the old key ignition.
not sure this is true at all^

for one, I think any devices like this use rolling codes, which alters the code according to a program that nobody knows, so even if you intercept the "waves" you are only intercepting that single use code.
The next one is different and you don't know what the program is.
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Old 02-12-2019, 08:29 AM   #22
SirBrass
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Originally Posted by rtv900 View Post
not sure this is true at all^

for one, I think any devices like this use rolling codes, which alters the code according to a program that nobody knows, so even if you intercept the "waves" you are only intercepting that single use code.
The next one is different and you don't know what the program is.
Theoretically you could reverse engineer the code generator pattern, but you'd need a huge sampling and not miss intercepting any codes in between your first and last sample, and know the frequency of code changes, and then know where in the pattern the latest code is.

A computer program could do most of this, but it's getting that requisite data that's going to be the sticking point. At which point it's just easier to do the traditional coat hanger and hotwire trick, or if you're a real pro, don't even hotwire, just drop to neutral, release the handbrake and flatbed.
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Old 02-12-2019, 09:03 AM   #23
rtv900
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^exactly

I'd be worried if I had a 1.2 million dollar McLaren or something.

My used STI worth maybe 22 grand at this point is pretty safe!
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Old 02-12-2019, 09:12 AM   #24
SirBrass
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Originally Posted by rtv900 View Post
^exactly

I'd be worried if I had a 1.2 million dollar McLaren or something.

My used STI worth maybe 22 grand at this point is pretty safe!
And if you have a $1.2M McLaren, you'd have other security features and insurance to cover you or protect you from theft.
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Old 02-12-2019, 03:52 PM   #25
vapore0n
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I mean, it can be done, but its stupid to worry about it

https://www.wired.com/2017/04/just-p...can-steal-car/
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