Parking Assist Sensors Aid in Driving

October 04, 2018

Parking sensors:

Vehicles are now able to sense different things that are too close. This is the function that parking sensors do in vehicles.

Parking assist sensors have become a very popular item being installed on many vehicles. When it is placed on the rear bumper it senses when a person is backing up and is getting too close to an object. On the inside of the vehicle, there is usually a beep that goes off and gets louder if the driver is not stopping and runs the risk of backing into something.

The parking assist sensors are even paired up to work with a screen located on the dash of a vehicle. Now the driver can see just how close they are to an object when backing up. Even older vehicles can have the sensors installed on them now.


Assistance in parking:

Parking assist sensors are available for all vehicles and are very intelligent systems. The sensors are capable of telling the driver many different things while the vehicle is moving.

When pulling up to a spot for parallel parking the sensors are able to look over the empty spot and let the driver know if there is enough room for parking their vehicle. If the driver is not good at parallel parking, then the vehicle is capable of taking over and carefully parking itself with the help of the parking assist sensors.


Two main sensors to pick from:


  • Proximity sensors equipped with ultrasonic

These parking assist sensors use sound waves that are a high-frequency for detecting objects. The waves are capable of bouncing off different objects in order to measure the distance of how close something is. When the wave is omitted and detects an object it then comes back to the receiver so the correct distance can be calculated.

This type of sensor is usually wired into a vehicle’s alarm system so sounds can be omitted if the driver is getting close to objects. This could also show up on the screen located on the dash so the driver has a better view of what is around the vehicle.

Some important downfalls of the ultrasonic parking assist sensors are:

  1. Cannot detect if there are nails or small objects on the road
  2. Waves have nothing to bounce off of if the object is flat or angled
  3. Objects that are flat or parallel with the surface of the road
  4. Objects that would be soft or sound dampening

All drivers should not depend totally on the sensor, instead still look around and be aware of anything around the vehicle at all times.


  • Proximity sensors equipped with an electromagnetic

The second type of parking assist sensors is electromagnetic which uses a frequency that goes wider out and is capable of detecting more objects. These pair up nicely with cameras making it easier for the driver to see all around them.

Both types of these parking assist sensors work well when a vehicle is moving in reverse or moving at very low speeds. When the vehicle is moving forward the sensors shut off since the driver is able to see everything clearly.

As newer cars emerge onto the market the technology of the parking assist sensors will become more advanced. If something goes wrong with the system then the vehicle will need to be taken to a specialist for repairs.

Blind spots:

When driving down the road the driver might look in their side mirror before changing lanes. There is actually a blind spot in the mirror. Meaning a car could be close enough for damage, but out of the driver’s vision. Now vehicles offer monitors to help with the blind spots. When crossing into other lanes if vehicles are too close the driver will be notified immediately not to cross lanes just yet.


Modern cars and parking assist sensors:

As vehicles become bigger and the car companies offer curves in the body, it can become hard to see what is around the car at all times. In order to try and keep the roads and drivers safer, vehicles now come with parking assist sensors installed. The sensors help with backing up, parking, and even letting the driver know if it is safe to pull out into other lanes.