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Showing results for tags 'brake proportining warning'.
I have a brake Proportining warning light on my 2003 cayenne everything works fine truck drives, the only thing that doesn't work is the speedo (mph) side,& won't mark miles as I drive it stays at 104k, rpm side works fine, from time to time the radio starts to turn the volume up or down alone, like if it has a mind of its own. One more thing the nav won't work it stays at my house street even tho I'm in another city, I checked under my driver side carpet everything looks good! Dry! I even check the 4 sonic welded wires that get corroded, they seem clean with No corrosion, checked all fus