Some specific elements of your Buick LaCrosse are essential, if for your safety or that of other drivers, making sure all these elements are in good working order is part of your legal and moral responsibilities. Today, we are going to focus on one of these elements, your vehicle’s turn indicators, the turn signals. In fact, you may have a blinker problem on Buick LaCrosse, whether it’s because they’re burned out, they produce a strange noise, or whatever, we’re going to try to resolve your worries today so that you can get back on the road with comfort. To do this, we will discover one by one several blinker problems on Buick LaCrosse and the solutions to solve them.


The various blinker problems on Buick LaCrosse and their solutions

We will so write our guideline depending to the sort of blinker issue you are facing on your Buick LaCrosse. You should know that the turn signals are the only elements 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 Buick LaCrosse

If you are in the scenario where, when you turn on your blinkers on the left or right side of your Buick LaCrosse they do not light up while on the other side everything functions properly. In this circumstance it may be that both of your blinker bulbs are burnt out, first step for you to check the condition of your blinker bulbs, check out our guideline on changing the indicator bulb on Buick LaCrosse if you don’t know how to do this technique. Remember to check the condition of the bulb socket, it may be oxidized and the electrical contact may be bad. If after examining the bulbs of the blinkers of your Buick LaCrosse are not burnt out, you will have to take off the comodo of your turn indicators to check that there is no false contact when you switch it on the problematic side.

Problem no blinker lights on Buick LaCrosse

Second blinker problem you may encounter on Buick LaCrosse, none of your flashers light up. If you are in this circumstance there is a good chance that it is an electrical issue that is the trigger of the turn signal failure. You will have to check the turn signal fuse on your Buick LaCrosse, please go to our guideline to find it quickly. In many instances your fuse is blown, otherwise it could be the fuse relay that is leading to the issue. Finally, if your fuses and relays are in good condition, check that the flasher comodo is well powered.

Problem a blinker doesn’t light up on Buick LaCrosse

Now the most basic case of blinker problems on Buick LaCrosse, only one of your blinkers doesn’t work. In this circumstance, the issue is usually easy 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 condition of the bulb socket which could cause a bad electrical contact and thus prevent the bulb from lighting up.

Blinker problem that lights up atypically on Buick LaCrosse

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


As seen previously on this page, flashing lights are important safety elements on your Buick LaCrosse, you must constantly make sure that they are operating properly. No matter what the cause of the flasher issue is, it must be fixed as quickly as possible because accidents happen quickly and whether it’s a simple fender bender or something more serious, you are bound to be at fault.

If you need more tutorials on the Buick LaCrosse, go to our Buick LaCrosse category.