How to Determine Distance Without a Rearview Camera?

[VanJosie]

Methods to determine distance without a rearview camera: 1. When the rear car's hood is completely obscured from view, the distance is approximately 5 meters; 2. If the windshield is just visible in the rearview mirror, the distance to the rear car is about 0.5 meters, at which point you can turn off the engine and park; 3. When the front edge of your car aligns with the lower edge of the front car's tire, the distance is roughly 5 meters; 4. When the front edge of your car aligns with the lower edge of the front car's bumper, the distance is approximately 3 meters; 5. When the front edge of your car aligns with the lower edge of the front car's license plate, the distance is about 0.5 meters.