How do I attach a GPS vehicle mount on my dashboard?

It all depends on the type of GPS vehicle mount you have. But for the most common double sided tape mounts this is what I would do. Clear away dust from your dashboard using a soft cloth. A disposable dusting cloth works well. If the mount you have chosen attaches to the air vents, clean those as well. Choose the placement of the GPS mount by holding it up to multiple areas of the dashboard. The internal antenna needs a clear view of the sky to receive signals. Make sure your view of the road is not impeded. Remove the double sticky tape from the bottom of the GPS mount. Try to avoid contact with dirt or dust. Place the base of the mount on the spot you have chosen. Press down to adhere the base to the dashboard. Fit your GPS into the mount holder. Swivel the holder around while experimenting with a variety of angles. Find a placement that is comfortable to use and allows you to drive safely. For a suction cup mount that stick on your window the process is the same only you use the suction cup to st