Parking a vehicle in a defined space oftentimes can be quite difficult. Confined by limited parking spaces, most drivers have to depend on their skills to squeeze into a parking space. However, when backing or parking vehicles, drivers normally have blind spots, which can cause serious consequences. Most drivers have difficulty in accurately judging the distance, for example, between the front bumper of the vehicle and a rear wall of a garage. Parking and reversing aids can be used as accessories for vehicles. These products may includ ultrasonic sensors for detecting the distance to an object was introduced to the market for drivers to eliminat the dangers of the existence of blind spots. Curb sensors for use facilitating vehicle parking employ a deflectable probe which is adjusted to rub against an obstruction when there is a predetermined clearance between the obstruction and the vehicle itself. Typically, a separate sensor is used on the curb side at each end of the vehicle.
