It doesn’t matter if for your own safety, for roadworthiness testing or to avoid a fine, being sure your turn signal bulbs are always functioning is necessary. In reality, bulbs are wearing parts that will inevitably burn out after awhile and as a consequence need to be swapped out. You’re almost certainly on this site because one of your front turn signals is burnt out and you’re questioning how to change the bulb of a front turn signal on your smart forfour, we’ve written and published this document to help you do it alone and not have to go to your mechanic. In a first step, we will have a look at the checking a burnt-out front turn signal bulb on your smart forfour and in a second step, how to change the front turn signal bulb on your car..

change-front-turn-bulb-smart-forfour

How to discover if the front turn signal bulb on your smart forfour is burnt out or needs to be changed?

When you drive your car you don’t constantly have the possibility to examine all the safety components of your smart forfour. In reality, you are mostly in a rush and tend to enter into your car, make your journey and put it down immediately without taking the time to do an regular check-up. It is consequently crucial to take the time to sometimes examine the condition of your headlights and turn signals. It’s quite possible that you have a front turn signal on your smart forfour, but that you didn’t notice it. Here are the two simple ways to examine if a front turn signal is burnt out or if you need to replace it quickly:

  • When you stop, turn on the ignition on your car, then alternately turn on your left and right front turn signals and get out of the car to examine that they are functioning.
  • By listening to the sound of your blinkers. In reality, there is an audible indication on each car that warns you of a front turn indicator bulb burnt out on your smart forfour, you will recognize that the time between each “click” is much shorter, this denotes that you will have to swap the front turn signal bulb or before. It’s up to you to examine and make sure which one is burnt out by a visual examine as on the first process shown above.

You may have another bulb to replace, like the one of your low beam or your position lights, don’t be reluctant to consult our blog posts to help you to do this replacing.

Replacing the front turn signal bulb on your smart forfour

Now let’s go to the main step of this document, how to replace the front turn signal bulb of your smart forfour? Please note that this process is quite simple, you will have to access, from the inside of your bonnet, through the wheel arch, or simply by your bumper to your headlight unit, open it and replace the burnt out front turn signal bulb of your smart forfour. If it is a bulb on your rear turn signal, see our special document. Nevertheless, here are the details of the actions to stick to in order to accomplish this action correctly according to the method you wish to choose.

Change front turn signal bulb on your smart forfour through the bonnet:

  • Open your bonnet and clear access to your headlight pods.
  • Use a torx tip to open the headlight unit on your car
  • Unscrew the front turn signal bulb from your car by turning it a quarter turn counterclockwise
  • Replace the front flasher bulb of your smart forfour by the new one (be sure to examine if it’s an orange or transparent bulb).
  • Reassemble and test that the new front turn signal bulb is effective.

    • Change the front turn signal bulb of your smart forfour through the wheel arch:

    This process is particularly valuable when you don’t have enough space in the hood to access the front turn signal on your car:

    • Lift your car, and take away the front wheel on the side you want to operate on.
    • Take out your wheel arch with a torx bit.
    • Go to your headlamp block and replace the front turn signal bulb on your car following the same basic steps as on the part previously seen.

    Change the front turn signal bulb of your smart forfour through the bumper:

    On some years or finishes, depending on the options the only simple access you will have to replace the front turn signal bulb of your car will be to pass under your front bumper, there are only a few steps that change from the full technique, we will detail them now:

    • Put your smart forfour on a jack or a candle.
    • Remove the screws of the motor shoe of your car(plastic part under your motor) and your shock absorber. Be mindful with the plastic staples which can be fragile.
    • Take out your headlight block and replace the front turn indicator bulb of your smart forfour following the steps seen in the parts seen previously.
    • Put the whole thing back together again.

    To find more tips on the smart forfour, take a look at the smart forfour category.