Auto Drop Drivers Window

[sc_rufctr]

Great idea for all cars but £800 plus VAT seems a little over the top.

So what's actually needed? A small box containing a simple circuit that is triggered by the interior light. This small box's circuit is in addition to what's already connected to the motor of the drivers side window. The drop is achieved using a variable timer so you can set it as needed. Ideally it should be easily adjustable with a small knob near the ignition key.
(I've searched & I don't think there's an aftermarket kit that does this)

* Does anyone know how to design a small circuit to do this? (using relays for powering the window motor).
* How long does it take to drop a window 2 or 3 inches?

[Zeke]

All I can add is that the Porsche Boxster and later 911 cabriolets had this as standard. I'm sure the wiring diagrams are available. I think it's triggered by the handle/lock mechanism because it's immediate.

[rfuerst911sc]

My 1999 996 coupe and 2002 Boxster S both have window drop . Milt is correct it is triggered by the interior and exterior door handles . The drop is approximately 1/4 - 3/8 of an inch . Enough for the glass to clear the weatherstripping .

[pwd72s]

No smart phone here...or I could show you a video of a 2009 Mustang doing the same thing.

[HobieMarty]

Uh, every Kia that I drive at work has this feature. The upper trim levels have the auto up and down feature on the passenger front window also and the even more upper trim level vehicles have the auto feature on all the windows.

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[sc_rufctr]

Originally Posted by HobieMarty

Uh, every Kia that I drive at work has this feature. The upper trim levels have the auto up and down feature on the passenger front window also and the even more upper trim level vehicles have the auto feature on all the windows.

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No doubt true but if you want this feature on your classic Bentley, Rolls-Royce or any other older car it will cost you £800 plus VAT.

So... "Let's build something from scratch for less than $30".

[A930Rocket]

My 05 BMW 330ic has the automatic window drop of about a quarter inch when opening and closing the doors.

[Dixie]

Perhaps it's already installed, but not enabled. Google if there's a dongle to let you access the code.

I hacked the code to my 2010 GTI. I was able to enable all the Audi features, like power windows from the key fob. I was also able to make PSM unremitant. The factory setting allows you to turn PSM off, but it turns back on the second it senses you're pushing it, leading to some exciting laps.
(Turning, turning, *PSM kicks in* ...and now we're going straight. )

[GH85Carrera]

OK, I drive old 1980s cars. Why in the world would you want the window to drop a couple of inches? Does it make it easier to open the door or something? I can't imagine any difference on my 911 with a full frame around the window, except if both the driver and passenger are closing the door at the exacts same instant.

The El Camino has no frame around the glass and it would be really pointless. Of course the El Camino has manual wind up cranks for the windows.

So what is the deal, why would that be a "feature" anyone wants?

I understand ABS, OBD2, traction control, backup cameras, lane departure, tire pressure monitors and the endless list of gizmos modern cars have, that I don't have at all, but a window that drops a couple of inches makes little sense to a caveman guy that the newest car he drives regularly is a 1986.

My wife's Macan has lots of bell and whistles, but the windows don't drop unless you use the button.

[masraum]

Originally Posted by GH85Carrera

OK, I drive old 1980s cars. Why in the world would you want the window to drop a couple of inches? Does it make it easier to open the door or something? I can't imagine any difference on my 911 with a full frame around the window, except if both the driver and passenger are closing the door at the exacts same instant.

The El Camino has no frame around the glass and it would be really pointless. Of course the El Camino has manual wind up cranks for the windows.

So what is the deal, why would that be a "feature" anyone wants?

I understand ABS, OBD2, traction control, backup cameras, lane departure, tire pressure monitors and the endless list of gizmos modern cars have, that I don't have at all, but a window that drops a couple of inches makes little sense to a caveman guy that the newest car he drives regularly is a 1986.

My wife's Macan has lots of bell and whistles, but the windows don't drop unless you use the button.

My boxster drops the windows about 1" when I grab either the interior or exterior door handle. I believe it's because there's a clip or something that the window engages when it's fully up, so having the windows dropped a tad helps get the door open/closed. Older cars didn't have that sort of thing. If there's a frame, I can't imagine there's a need. The only other thing that I can think of (and I don't think this is the case) is that opening or closing the door with a cracked window is easier because you aren't creating a suction or high pressure due to the good sealing of the windows. I've noticed that some cars, if the window is cracked, it's easier to "slam" the door if the windows aren't completely up.

I don't believe this is like the feature on some cars where you can drop the windows a couple of inches to "let the hot air out" of a car that's been sitting in the sun, at least not in my car, because 1 the window doesn't go down that far and 2 it's only down for a fraction of a second and immediately rolls back up as soon as the door is closed again.

[TimT]

Why in the world would you want the window to drop a couple of inches? Does it make it easier to open the door or something?

The window hangs up on the molding unless it is dropped about 3/8". When you pull on the door handle the window drops, and the door opens. On Caymans and 911s (new ones) there is a recess in the molding that the window fits into.. I guess for wind noise reduction..

And on my Cayman, when you open the rear hatch the drivers window drops about 2" I'm guessing to ease lifting the hatch. Without the dropped window maybe the car is to well sealed to allow the hatch to open easily..

On occasion the system goes out of sync.. then just close the door window down, then window up and it resets

[HobieMarty]

My bad, I see now that y'all are talking about the window dropping a bit when opening the door, yeah, Kias don't do that. Lol.

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[masraum]

Originally Posted by hobiemarty

my bad, i see now that y'all are talking about the window dropping a bit when opening the door, yeah, kias don't do that. Lol.

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lol!

[Zeke]

Yes, the window glass hangs up on the Boxster top rubber. If it is out of commision it is really hard on the glass and tracks. The Bentley thing has to be about how good the seals are. But my Chevy PU does the same thing if the windows are up when closing. You have to slam it a bit to get it latched. Seems like my wife never gets it the first time unless I drop the window first.

[sc_rufctr]

"Soft Close" or "Self Closing" doors solved this problem long ago. My daily (1992 S420) has "Soft Close" doors so this is something I may build for my Old 911.

- I've never liked the way aircooled 911 doors close but if a window is open when you close the door they feel a whole lot better IMO. Sure they feel solid but the bang required to close them is not elegant. Maybe I should check/replace the door seals although to my untrained eye they look fine.

[sc_rufctr]

Originally Posted by Capt. Carrera

Perhaps it's already installed, but not enabled. Google if there's a dongle to let you access the code.

I hacked the code to my 2010 GTI. I was able to enable all the Audi features, like power windows from the key fob. I was also able to make PSM unremitant. The factory setting allows you to turn PSM off, but it turns back on the second it senses you're pushing it, leading to some exciting laps.
(Turning, turning, *PSM kicks in* ...and now we're going straight. )

Thanks Dixie but my cars are generally old.