Certain components of your Kia Optima are essential, whether for your security or that of other individuals, making certain all these components are operating properly is part of your legal and moral duties. On this page, we are going to speak about one of these components, your vehicle’s turn indicators, the turn signals. In fact, you may have a blinker problem on Kia Optima, whether it’s because they’re burned out, they make an unfamiliar noise, or whatever, we’re going to try to resolve your worries today so that you can get back on the road with peace of mind. To do so, we will discover one by one various blinker concerns on Kia Optima and the answers to fix them.


The various blinker problems on Kia Optima and their solutions

We will therefore compose our content page according to the kind of blinker trouble you are encountering on your Kia Optima. You should know that the turn signals are the only components that allow other road users to know your changes in direction, so it is essential that they are in good working order.

Blinker problem that does not flash on one side on Kia Optima

If you are in the scenario where, when you turn on your blinkers on the left or right side of your Kia Optima they do not light up while on the other side everything functions normally. In this situation it may be that both of your blinker bulbs are burnt out, first step for you to verify the condition of your blinker bulbs, take a look at our content page on changing the indicator bulb on Kia Optima if you don’t know how to do this operation. Bear in mind to verify the condition of the bulb socket, it may be oxidized and the electrical contact may be bad. If after verifying the bulbs of the blinkers of your Kia Optima are not burnt out, you will have to take off the comodo of your turn indicators to verify that there is no false contact when you switch it on the troublesome side.

Problem no blinker lights on Kia Optima

Second blinker problem you may encounter on Kia Optima, none of your flashers light up. If you are in this situation there is a good chance that it is an electrical trouble that is the trigger of the turn signal troubles. You will have to verify the turn signal fuse on your Kia Optima, please check out our content page to locate it very easily. In most cases your fuse is blown, otherwise it could be the fuse relay that is generating the trouble. Finally, if your fuses and relays are in good condition, verify that the flasher comodo is well powered.

Problem a blinker doesn’t light up on Kia Optima

Now the most general case of blinker problems on Kia Optima, only one of your blinkers doesn’t work. In this situation, the trouble is generally basic to correct and a change of a burnt-out bulb will be enough to solve it. If this is not enough, keep in mind to check the state of the bulb socket which could bring about a bad electrical contact and thus prevent the bulb from lighting up.

Blinker problem that lights up atypically on Kia Optima

To conclude, the last trouble you may encounter is that the turn indicators of your Kia Optima make a different noise when you turn them on or that they work abnormally. Two cases, either you have a short circuit somewhere in your electrical installation or, your turn indicator unit is faulty.


As seen earlier on this page, flashing lights are important security components on your Kia Optima, you must all the time make sure that they are working properly. No matter what the reason of the flasher trouble is, it must be treated as quickly as possible because accidents happen fairly quickly and whether it’s a simple fender bender or something more significant, you are bound to be at fault.

If you wish more tutorials on the Kia Optima, go to our Kia Optima category.