04-10-2020, 04:26 PM
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#1
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Disable nannies on 2020 4runner
I'm looking at the 2020 4runner and noticed they added some nannies (PCS and LDA). Given that they are the driving distraction, I want to disable them permanently. Or at least have them off until I turn them on.
I've seen several posts on lifts with issues but nothing on turning it off permanently.
Does anyone know of a way to do that? I'm assuming that Techstream can do it, but I can't find the manual (options) otherwise I would RTFM.
Thanks,
Jerold
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04-10-2020, 04:29 PM
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#2
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Junior Member
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Join Date: Aug 2019
Location: Minneapolis, MN
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Quote:
Originally Posted by itr1275
I'm looking at the 2020 4runner and noticed they added some nannies (PCS and LDA). Given that they are the driving distraction, I want to disable them permanently. Or at least have them off until I turn them on.
I've seen several posts on lifts with issues but nothing on turning it off permanently.
Does anyone know of a way to do that? I'm assuming that Techstream can do it, but I can't find the manual (options) otherwise I would RTFM.
Thanks,
Jerold
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Hi Jerold,
There are dedicated buttons on the steering wheel for these. Turned them off and hadn't thought of them since this thread. 
-Greg
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04-10-2020, 04:33 PM
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#3
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Wow thanks for the quick reply!
The Toyota manual says they come back on when the engine starts.
PCS - "The system is automatically enabled each time the engine switch is turned to the “ON” position (vehicles without a smart key system) or the engine switch is turned to IGNITION ON mode (vehicles with a smartkey system)."
LDA - "When the LDA system is turned onor off, operation of the LDA system continues in the same condition the next time the engine is started."
Is this not the case?
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04-10-2020, 04:55 PM
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#4
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I turned off my LDA with the button on the steering wheel and it did not reactivate each time I restarted the car. I haven't played with the PCS though.
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04-10-2020, 07:10 PM
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#5
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Quote:
Originally Posted by GRDPro
Hi Jerold,
There are dedicated buttons on the steering wheel for these. Turned them off and hadn't thought of them since this thread.
-Greg |
Turned them off as I left the dealership. I paid a lot of money for these things. Only thing I get benefit of is CarPlay and the bigger screen.
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04-10-2020, 07:32 PM
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#6
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Location: Northern VA
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There there for a reason. Get a different car.
Jokes aside, I always thought they would return after restarting the engine or whatever.
Last edited by pableaux; 04-10-2020 at 07:34 PM.
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04-10-2020, 07:50 PM
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#7
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Quote:
Originally Posted by pableaux
There there for a reason. Get a different car.
Jokes aside, I always thought they would return after restarting the engine or whatever.
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The same truck but older?
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04-10-2020, 08:21 PM
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#8
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You can turn off the lane departure, but you can't turn off the front collision warning - only adjust the sensitivity.
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04-10-2020, 10:26 PM
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#9
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Banned
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Quote:
Originally Posted by jtgrinsell
I turned off my LDA with the button on the steering wheel and it did not reactivate each time I restarted the car. I haven't played with the PCS though.
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I can second this. My LDA has been off for over a month, and I haven't touched the button since that long ago.
I do remember there being sensitivity settings for the LDA in the between the speedometer and tachometer display, but there's a dedicated button to turn it on and off in the lower right of the steering wheel.
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04-10-2020, 11:54 PM
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#10
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Quote:
Originally Posted by itr1275
Wow thanks for the quick reply!
The Toyota manual says they come back on when the engine starts.
PCS - "The system is automatically enabled each time the engine switch is turned to the “ON” position (vehicles without a smart key system) or the engine switch is turned to IGNITION ON mode (vehicles with a smartkey system)."
LDA - "When the LDA system is turned onor off, operation of the LDA system continues in the same condition the next time the engine is started."
Is this not the case?
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The Toyota manual says only the PCS is enabled each time. It says the LDA stays at whatever the last setting was. That is the way mine works. I don't mind the PCS but the LDA has been turned off since I bought mine.
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04-11-2020, 01:05 PM
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#11
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The LDA is fairly sensitive, especially toward the passenger side though I leave it on anyway. I dont find it that annoying.
The PCS I left at the default and it's only had a false alarm twice in 6 months and neither time did it try to stop on it's own. There is a step even less sensitive which I haven't tried either.
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04-11-2020, 01:16 PM
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#12
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If you want to disable them permanently than maybe look at an older model. Might be able to get a good deal on a 2019. Since they don’t any of that stuff to begin with.
Last edited by mustangr2; 04-11-2020 at 01:25 PM.
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04-11-2020, 05:43 PM
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#13
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Quote:
Originally Posted by GRDPro
Hi Jerold,
There are dedicated buttons on the steering wheel for these. Turned them off and hadn't thought of them since this thread.
-Greg |
Agreed, mine are off at the press of a button and do not come back on until I press the button again. I leave them off.
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05-11-2021, 11:31 AM
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#14
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I started a similar thread a few days ago, because I missed this one…
I've had a couple of rental cars with these "features" and they are certainly very annoying; I especially hate when they try to steer you in a certain direction.
It seems there is a little bit of a disconnect between what the manual says and what actually happens in the vehicle… I guess I should go for a test drive and decide if I'm going to buy new or pre-2020.
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05-11-2021, 11:49 AM
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#15
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Quote:
Originally Posted by The_Reaper
Agreed, mine are off at the press of a button and do not come back on until I press the button again. I leave them off.
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Bought a 2021 can confirm these setting changes have persistence across restarts. Change it once, you’re done.
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