Whistler radar detectors have a suction cup that allows you to attach them to your front windshield. Ideally, the radar detector should be in the center and pointed down.

Whistler radar detectors have a suction cup that allows you to attach them to your front windshield. Ideally, the radar detector should be in the center and pointed down.

Whistler radar detectors have a suction cup that allows you to attach them to your front windshield. Ideally, the radar detector should be in the center and pointed down.

Whistler radar detectors have a suction cup that allows you to attach them to your front windshield. Ideally, the radar detector should be in the center and pointed down.

Whistler radar detectors have a suction cup that allows you to attach them to your front windshield. Ideally, the radar detector should be in the center and pointed down.

Whistler radar detectors have a suction cup that allows you to attach them to your front windshield. Ideally, the radar detector should be in the center and pointed down.

Safety features Whistler radar detectors do more than simply alert you about police radar. Some have alert functions that can help keep you awake if you fear you might nod off while driving.