Hummer H3 Questions Any type

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Tim asked a 2006 Hummer H3 4dr SUV 4WD Car Customization question 4 years ago

Cold Air Intake

I was just wondering if anyone had installed one and does it really save gas?

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Nate asked a Hummer H3 Car Customization question 4 years ago

Hummer H3

what are the biggest tires that will fit on a stock hummer h3 with the adventure package?

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wem_16 asked a 2006 Hummer H3 4dr SUV 4WD Maintenance & Repair question 5 years ago

How Can I Make My Horn Honk When I Lock My Doors

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mstrsoul asked a 2008 Hummer H3 Base Car Customization question 5 years ago

Where Can I Get A Navigation Unit For My New Hummer

I would like to have one, can I install it myself?

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ynnwilburn asked a 2007 Hummer H3 Maintenance & Repair question 5 years ago

Who Installs After Market Navagaiton Systems In An H3 2007

at sewell hummer in dallas texas, I had navagation system installed. Now my onstar volume is so low that it cannot be heard and the voice on the navagation is also extremely low. After it was instal...