http://www.carsingh.com/car-accessories/car-rear-parking-sensor
Car Rear Parking Sensor Makes You Park with Ease
Car Parking somehow seems to get us in trouble after all the way safely through the roads. Even the best drivers falter at the parking spot not because the parking is hard but it’s just that parking requires a lot of patience and off course the right space as well. In a hurry to get to their destinations, most of us end up creating an unforgettable experience while parking. Car rear parking sensors is a safety device that accurately detects all objects, as children, toys, pets, another autos, etc. that are behind your vehicle while you back up. The beeping as well as LCD display inside the car warns the driver of the danger and prevents a potential accident.
http://www.carsingh.com/car-accessories/car-rear-parking-sensor
This means that after all the hard work of driving through the traffic and rough roads you can finally heave a sigh of relief with the help of parking sensors. These sensors detect the proximity for road vehicles and alert you with both visual and audio cues about unseen obstacles during parking manoeuvres. Parking sensors come in two types. To start off with Electromagnetic parking sensors rely on the vehicle moving slowly and smoothly towards the object to be avoided. Once detected the obstacle, if the vehicle momentarily stops on its approach, the sensor continues to give signal of presence of the obstacle. If you still go ahead, then the alarm signal becomes more and more loud or distractive as you near the obstacle. The best part about electromagnetic parking sensors is you do not need to drill any holes. It is designed in such a way that it discretely mounts on the inner side of the bumper preserving the same old good looks of your car.
http://www.carsingh.com/car-accessories/car-rear-parking-sensor
Next in the line you have is the Ultrasonic parking sensors. The ultrasonic sensors fit with almost every car imaginable and are also available as additional upgrade kits for later installation. Parking sensor systems with the ultrasonic proximity detectors can be fitted at both front and rear bumpers to keep you out of trouble from nearby objects at the ground level. It is similar to the sonar and measures the time taken for each sound pulse to be reflected back to the receiver. So based on the speed you are driving and the distance from the obstacle, the system will warn the driver by visual and/or audible mean and keeps you from entering into a scuffle with other car owner. The feedback to the driver will generally indicate the direction and proximity of the obstacle. Most commonly sensors are usually fitted to the rear of a vehicle but may also be fitted to the front.
http://www.carsingh.com/car-accessories/car-rear-parking-sensor
Rear sensors are activated when reverse gear is selected and then deactivated as soon as any other gear or neutral is selected. Front sensors are generally activated by pressing a button and then automatically deactivated when the vehicle exceeds a certain speed; this is to avoid nuisance warnings in slow moving traffic. So drive the way you want but park with ease.