Recent cars all come with an impressive quantity of features, nevertheless, due to your budget or the year of your smart forfour, you may not be fortunate enough to have them all. On this page we’re gonna help you resolve this issue by detailing how to install parking sensor on my smart forfour? In fact, this feature is very handy, especially if you live in the city and have to park your car habitually in narrow parking spaces. To help you out, we’ll first check out how parking sensors function, then we’ll check out how to install a parking reverse sensor on a smart forfour, and at last, how much does a parking sensor cost?

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How does parking sensors function on an smart forfour?

So we commence with the functioning of a parking sensor. As we told you in the intro, this particularl interesting feature enables you to know the distance between the back of your smart forfour and an obstacle when you move back. It is as a result mainly logical for owners who have to maneuver on a regular basis, whose visibility is mediocre, or whose car size is large.
Often installed as standard, the reverse sensors of a smart forfour incorporate a kit of sensors (minimum 4) that will be activated with reverse gear and will sense obstacles in the vicinity. The technology employed is ultrasounds, which will send a signal that will bounce off the obstacle and be sent back to the sensor. A computer will examine the duration of this journey and determine the distance between the obstacle and the radar. In general you will have a sound warning in the cabin which will enhance in level with the proximity of the obstacle and in some cases a visual marker in complement. The reversing radars of a smart forfour will enable you for parking, but also for safety and keeping away from pedestrians.

How to install parking sensors on a smart forfour?

We now proceed to the part that you are quite likely most focused on, fitting reverse parking sensors on a smart forfour. This part is for you if you don’t have a standard reserve sensor set up and you still want to take advantage of this technology, or if you have to replace a damaged one. You are fortunate people, it is possible to buy auto aftermarket parking sensors to install yourself on your smart forfour.

How to replace a malfunctioning backup sensors on a smart forfour

First we’ll see how to replace a malfunctioning parking sensor on an smart forfour. If it turns out your smart forfour has suffered a rear shock and one of the sensors of your reversing radar has been damaged, it will have to be replaced to allow the system to function correctly. Fortunately for you this procedure is really simple, you can even make it out yourself without any specified mechanical skill:

  • Get a replacing radar of the manufacturer’s brand name.
  • Unplug the old backup sensor from the back of the bumper.
  • Take out the broken parking sensor from your smart forfour, this step is very intuitive, it is simply clipped on.
  • Remount the new sensor and connect it.
  • All you’ll have to do is test it to make sure it’s functioning correctly.
  • How to install an aftermarket parking sensor kit on an smart forfour

    Now we move on to the part you’re almost certainly most focused on, how to install a reverse sensor set up on a smart forfour that doesn’t have one? As we revealed above, you’re lucky because many of OEMs now deal auto aftermarket backup radar models. But, the best performing and least fragile models will be models that fit into your bumper. We will look at these types in this section. It is required to have some notions in electricity, and some notions in do-it-yourself to contemplate the fitting up of the kit. You will certainly have to remove the bumper of your smart forfour for the installation, do not hesitate to browse our article on this subject to discover the process to follow. If you don’t feel like it, you can call a professional, the procedure should take him between 1 and 2 hours, and for you around 3 hours.

    • You will simply need to follow the installation guidelines, but we summarize here the main steps.
    • Take out the bumper if you don’t have access to the inside of it.
    • Reflect on the best location of the sensors to avoid blind spots, using the supplied drill bell, drill your bumper.
    • Place your various sensors.
    • Route the cables to the headlamp unit that contains your reverse light.
    • Get the current from the wires to connect your parking sensors to this one.
    • Try it out all out.
    • Install a parking sensor without drilling on a smart forfour

      And at last, we will now present you the installation of a drill-free parking sensors system on a smart forfour. There are two kind, the ultrasounds more weak because exposed to the shocks, and the electromagnetics which stick at the rear of the bumper and which are thus protected, it does not damage your bumper and will thus be easy to remove. This type of radar sticks on the bumper. The installation of these types of sensors will be similar.

      • Follow the installation instructions which is accessible with some electrical knowledges.
      • Find the best sensor position, either behind the bumper for the electromagnetic reversing sensor(adhesive tape) and or the different locations of the ultrasonic sensors.
      • Glue them together and connect them using the box provided.
      • Test it all out.
      • What’s the price of parking sensors for a smart forfour?

        Price of replacing a malfunctioning reversing parking sensor for an smart forfour

        The replacement of a damaged reversing radar will depend on the model, but the price will fluctuate between 10 and 30 euros per sensor. It is important to count approximately one hundred euros for the installation of the kit by a professional.

        Price of an ultrasonic parking sensors with drilling for smart forfour

        For the models with holes there are many kits and different brands but you will have to count around 50 euros for a reliable kit.

        Price of a parking sensors kit without drilling for a smart forfour

        .
        To conclude, for the price of a reversing radar without drilling for your smart forfour, whatever type you go for, you will have to spend between 30 and 60 euros.

        Whenever you have any additional questions about the smart forfour, do not hesitate to consult our smart forfour category.