My Valentine One radar detector has always had problems sticking to the windshield. Suction cups are trash, so I've tried gluing the suction cups to the windshield. It works for a while, but eventually gravity prevails. Nothing wants to stick to the suction cups once summer rolls around.
3M VHB...
Heya.
I *was* using a Belkin brand phone mount that uses the air vents, and got frustrated with it flopping about since the BS vents are vertically mounted, and thus any weight (like a phone mounted on them) will cause them to rotate with the slightest left/right turn of the vehicle.
So ...