Easy as using a mount and the lighter hole. I used strong 3M tape and attached a lighter plug to a universal GPS dash mount you can find on eBay.
Its a bit low, but it beats suction marks on your windshield.

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Uploaded with ImageShack.us

Uploaded with ImageShack.us
Its a bit low, but it beats suction marks on your windshield.

Uploaded with ImageShack.us

Uploaded with ImageShack.us

Uploaded with ImageShack.us