Outside use: Place
Auto Eyes™ horizontally on a clean, dry, smooth surface where your headlight has gone out. This will help to balance the light from your working headlight and allow other drivers to judge your vehicle's size, location, speed and distance. Apply at 10°C (50°F) or higher.
Inside use: Place
Auto Eyes™ on a clean, dry area of the windshield on the side where your headlight has gone out (details inside). Used in cooperation with the working headlight, it will help to light up your vehicle's Safety Zone.