I used industrial strength Velcro to secure the suction cup GPS holder to the dash. It really holds well and is easy to remove if necessary. mine is mounted on top of the dash over the far left A/C outlet so I can see it easily with my left eye, since I'm blind in the right eye. The power cord runs over the top of the steering column and can be pushed under the rubber boot so it's out of sight. You can find the industrial strength velco at WallyMart...good stuff for mounting other things too.
