
A car with a reverse camera still needs a radar. The reverse camera can only display images within a fixed range, while the reverse radar can monitor a larger area. When reversing the vehicle, it can enhance the safety of the reversing process. Additionally, the reverse radar will emit an audible alert when encountering obstacles. The reverse radar, also known as an anti-collision radar, serves as the most basic parking assistance system. It emits ultrasonic waves through ultrasonic sensors, which reflect back after hitting obstacles and are received again by the ultrasonic sensors. The controller calculates the distance between the vehicle and the obstacle based on the time taken for the ultrasonic waves to be emitted and reflected back, and alerts the driver with a rapid alarm sound through the warning device.

As a veteran driver with over a decade of experience, I've personally experienced the convenience of reversing cameras but also deeply understand the necessity of parking sensors. Back when my car had a high-definition camera, I thought everything was perfect—until one time during a heavy rainstorm while reversing, rainwater obscured the lens, making it completely blurry. I couldn't see an abandoned trash bin behind me at all. Fortunately, the sensors beeped in time, allowing me to brake urgently and avoid a collision. While cameras provide a clear visual, they are highly affected by lighting and environmental conditions, such as poor performance at night or in thick fog. Sensors, however, can detect surrounding obstacles, especially those that are low or hidden in blind spots. In real-life scenarios, using both together is the safest approach—the camera gives you a clear view, while the sensors alert you to distances. My advice is not to skimp on this small expense; installing sensors as a backup is cost-effective and can prevent repair costs and accidents. Safety comes first—never rely solely on one feature when driving.

As a family-oriented driver who prioritizes safety, I believe both rearview cameras and parking radars are indispensable because they complement each other perfectly. The camera acts like eyes, displaying real-time rear images to help you judge positioning, while the radar functions like ears, using sensors to detect object distances and issue alerts. With a large family and frequent school runs, I once experienced a situation in a school parking lot where the camera showed an empty space, but the radar suddenly beeped – it turned out a child had darted by, which the camera failed to capture immediately. Cameras may lag during movement or in low-light conditions, whereas radars provide real-time detection of blind spot hazards. Considering weather impacts like snow obscuring camera views, radars prove more reliable. From a safety perspective, using both systems significantly reduces collision risks, especially against pets or small obstacles. Ultimately, an extra layer of protection means greater peace of mind, making this modest investment absolutely worthwhile.

As a newly licensed driver, I initially relied too much on the reversing camera, but later realized how useful the radar is. When I first started driving, while reversing in the residential area, the camera showed a clear view and I thought everything was fine, but the rear of the car lightly touched the corner of a green belt without any warning sound. Fortunately, it was just a minor scratch, or I would have regretted it deeply. Now I understand that the camera helps with the visual area, but the radar covers blind spots, like bushes or small stones. Using both together has helped me gradually learn the skills and reduce nervousness. For beginners, the radar is a great assistant, boosting confidence and safety.

As a practical car owner who is careful with money, I believe the combination of a reversing camera and radar is a cost-effective solution. The camera provides a clear view of the rear, while the radar serves as an affordable backup to prevent any mistakes. For example, in a crowded underground garage, I rely on the camera for positioning, but the radar warns me if a pillar or another car is too close, avoiding scratches and saving on repair costs. Using just the camera is cheaper, but if it fails or the environment is poor, accidents can happen. Installing radar only costs a few hundred dollars but provides 24/7 protection. It makes daily parking worry-free and hassle-free, and I’ve never regretted it after actual use.


