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06 STS-V, 94 Fleetwood TS
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755 Posts
Discussion Starter · #1 ·
Here are the instructions for getting into the diagnostic mode of the STS and STS-V navigation/audio/video system.

Use at your own risk...

Press the "MENU" button while in the navigation mode.

Next to the header, press and hold in the center of the screen as shown for about 5-7 seconds.

When the keypad appears, enter "9448" and then press "OK".

You will then be presented with 2 pages of options.

This should answer any questions that there is a gyro on board because on this screen you can read the signals from it.

How comfortable does it make you feel about our government when 12 satellites can see you inside your garage?

The hard switch test is pretty cool.

The color adjustment screen.

There are more as well. I would suggest being especially careful with "Ship Mode" and the touch screen calibration.

No, I did not find the code for unlocking DVD view while out of park or the one to allow my passenger to imput stuff while driving.
 

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06 STS-1SG-ACC/HUD-Volant CAI-Corsa Exh-Mesh Grill-ClearBra
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517 Posts
A little knowledge can be a very dangerous thing!

Thanks ssstealth...:D
 

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10 CTS-V, 13 ESCALADE, 06 C6, YAM R1
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574 Posts
GREAT INFO !

do you know if you are able to adjust any of the gyro settings, like the sensitivity?
 

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06 STS-V, 94 Fleetwood TS
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755 Posts
Discussion Starter · #6 ·
GREAT INFO !

do you know if you are able to adjust any of the gyro settings, like the sensitivity?
There is only a "RESET" button in this mode. I'm sure there are other modes available but with a 6 digit pin available, it could take years to try them all.
 

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'06 STS V8 RWD - Black Raven/Cashmere - no ACC
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316 Posts
In the manual check there is "microphone test"...

Is there anyway i can increase the sensetivity of the MIC ?? ... coz when talkin through the bluetooth, person on the other side cannot easily hear me... i have to shout
 

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2006 STS V6
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230 Posts
Nice find. I went through most of the menus and saw nothing too exciting. However, it give me hope that there is a hidden soft button to get into the programming to unlock those "features" we all want. Every morning I spend a few extra minutes in the car pressing on different parts of the various screens. Hopefully one of these days something will appear. Then of course the real trick will be to hack the pin.
 

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Cadillac
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39 Posts
cool find!
they have to have a gyro test feature hidden somewhere if the exact voltage could be found at rest maybe it (the gyro) could be bypassed or if we are lucky shut off.
 

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06 STS-V, 94 Fleetwood TS
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755 Posts
Discussion Starter · #12 ·
The keypad will accept 6 digits so I think guessing or sequencing through the possible combinations is not a plausible project.
 

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44 Posts
It's pretty amazing that we have not been able to find the access codes or the documentation somewhere. I don't think that the Department of Defense has this kind of security on the launch codes for the nuclear arsenal!
 

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2005 STS 1SF, 1990 Allante, 2006 XLR-V
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270 Posts
Caddie techs do not repair the nav radio system. They simply exchange them with a repair facility. There are some simple troubleshooting procedures to identify if the nav unit is defective. There is nothing in the FSM regarding schematics or repair to the actual nav unit.
 

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06 STS-1SG-ACC/HUD-Volant CAI-Corsa Exh-Mesh Grill-ClearBra
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517 Posts
Just to tack on a little more info they actually don't even go to a true repair facility. They are first re-programmed at the dealership level if possible and if a replacement is needed it is a depot exchange. The depot does a plug-in diag and re-flash of the unit to the latest rev. and if it passes it goes back out as a replacement.

The servicing dealer can request a new OEM replacement unit but only if they determine a specific need for it.

Units in need of a true repair are shipped back to Denso who may or more likely will not do anything other than run the diags to t-shoot the root cause and then destroy the unit.

GM uses a remove and replace policy rather than a repair and return one...
 

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05 Cadillac STS 1SG
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10 Posts
With as many members as there are on this site, couldn't we all get together and start trying codes in sequence to try to attempt to find new combinations, that would in turn reveal new codes and unklock features? For example, one member could start with codes 000000-000100 then the next member could try codes 000101-000200 and so on, until we crack a code? Seems like a long shot, but if we want to unlock the features, it may be worth it...
 
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