My wife drives a Cayenne and I am going to try this company. They show that it works for Denali and Escalade, so maybe it will work for the H2. Here is the Link http://www.nav-tv.com/index02.htm
Kirk
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03 H2 Sunset Orange Magna Charger w headers & cold air intake, 4\" Rancho lift, XTC Light Bars Front & Rear, 4.56 gears with Eaton Front Locker
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