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How Far is the Red Line in the Reversing Camera?

4 Answers
ONolan
07/30/25 2:46am

Red line is approximately 200mm from obstacles. The reversing camera on car navigation systems typically displays three colored lines: red, yellow, and green. The red line is about 200mm from obstacles, the yellow line about 500mm, and the green line about 800mm. Actual distances may vary depending on the vehicle. Below are specific details about reversing cameras: 1. Choosing a Reversing Camera: (1) For sedans, consider the camera model (options include waterproof and night vision features), screen size (3, 5, or 7 inches), and power voltage (12V). For large vehicles like trucks and buses, 24V is suitable. (2) Extra caution is needed when selecting for large vehicles. Their operating conditions differ significantly from sedans, such as harsh driving environments, extreme temperatures, frequent reverse gear usage, and long working hours. Large vehicles generally use 24V power, so sedan reversing cameras are not compatible. Therefore, always choose the right product based on suitability, not price or other factors. 2. Considerations: When selecting a reversing camera, ensure compatibility with your vehicle model by evaluating camera model, power voltage, screen size, waterproofing, shock resistance, and anti-interference capabilities.

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KateRose
08/16/25 9:03am

I've noticed many people are concerned about how far the red line in the reverse camera indicates. Based on my years of experience as a mechanic, that red line typically means the rear bumper is about 30 to 50 cm away from an object. My regular customers often report it's around half a meter, but the exact distance depends on the car model and settings. For SUVs, the red line might be shorter at 30 cm, while sedans could have it longer at 50 cm due to different camera positions. The red line isn't a precise measurement—it's a warning zone to alert you that you're getting close to hitting something. When reversing, don't just rely on the screen; also check your rearview mirror and back window for safety. If you find the red line inaccurate, I recommend getting it calibrated at a professional shop or replacing the camera. Regular maintenance can help prevent accidents, especially when parking in garages—extra caution is needed.

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DelOwen
10/21/25 8:09am

As a frequent driver, I'm quite familiar with the red line on the reverse camera. The red line distance is usually set at 30-50 cm in front of the rear bumper. Every time I reverse into a parking space, I stop as soon as the red line reaches the roadside curb, and I've rarely made a mistake. Different cars may vary—I tried a friend's car where the red line was shorter, about 40 cm. This design helps drivers avoid rear-end collisions. But don't treat it as a universal solution; turning your head to check is more reliable. For safety, if the red line gets too close, you should stop immediately. Developing this habit has saved me a lot of scratches and troubles. During routine maintenance, it's advisable to check the screen to ensure the wiring isn't aging and affecting distance accuracy.

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McJoy
12/04/25 8:36am

How far is the red line in the reversing camera? The red line indicates a distance of 30-50 cm from an object. You should stop when the red line touches the object. The exact distance varies by car model—compact cars may have a closer red line, while family cars might have it farther. Remember, the red line is a warning zone; don't rely solely on the screen. Always observe your surroundings for obstacles. Technology is a helpful aid, but it shouldn't replace good driving habits. Reverse slowly and brake when the red line gets close—safety first.

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