Whether for your personal safety, for roadworthiness testing or to avoid a fine, making sure your turn signal bulbs are all the time functioning is necessary. In reality, bulbs are wearing parts that will inevitably burn out over time and as a result need to be swapped out. You’re most likely here because one of your rear turn signals is burnt out and you’re wanting to know how to change the bulb of a rear turn signal on you Cadillac XTS, we’ve created this post to enable you do it by yourself without having to go to your auto technician. In a first step, we will look at the checking a burnt-out rear turn signal bulb on your Cadillac XTS and in a second part, how to replace the rear turn signal bulb on your Cadillac XTS.

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How to find out if the rear turn signal bulb on your Cadillac XTS is burnt-out or needs to be changed?

When you drive your automobile you don’t all the time have the possibility to verify all the safety features of your Cadillac XTS. In reality, you are generally on the go and tend to get into your automobile, make your trip and put it down instantly without taking the time to do an occasional check-up. It is therefore important to take some time to on occasions verify the condition of your headlights and turn signals. It’s quite possible that you have a burnt-out rear turn signal on your Cadillac XTS, but you didn’t identify it. Here are the two basic ways to verify if a rear turn signal on your car is out of order or if you need to replace it fairly quickly:

  • When you stop, turn on the ignition on your Cadillac XTS, then alternately turn on your left and right rear turn signals and get out of the car to verify that they are functional.
  • By listening to the sound of your turn signals. In actual fact, there is an audible warning on each car that alerts you of a rear turn signal bulb burnt out on your Cadillac XTS, you will perceive that the time between each “click” is much shorter, this means that you will have to replace the rear turn signal bulb or before. It’s up to you to examine and validate which one is burnt out by a visual check as on the first methodology shown above.

You may have another bulb to replace, like the one of your low beam Cadillac XTS or your position lights on Cadillac XTS, don’t hesitate to consult our articles to help you to realize this substitution.

Changing the rear turn signal bulb on my Cadillac XTS

Now let’s go to the most important part of this article, how to replace the rear turn signal bulb on Cadillac XTS? Please be aware that this procedure is quite simple, you will need to access, from the inside of your trunk, your headlight unit, open it and replace the burnt out rear turn signal bulb on your car. If it is a bulb on your front turn signal on your Cadillac XTS, see our dedicated article. However, here are the detailed steps to stick to in order to accomplish this work correctly:

  • To access the tail light set up, take off the carpeting or plastic cover to access the tail light assembly.
  • Use a screwdriver or torx wrench (6-pointed star) to open the tail light assembly.
  • Take off the rear indicator bulb from your burnt-out turn signal that you have sooner diagnosed by an external visual inspection, for this you will need to make a quarter turn in a counter-clockwise direction
  • Replace the rear turn signal bulb on your Cadillac XTS. There are two sort of bulbs, transparent bulbs when the cover is orange, or orange bulbs when the cover is transparent, choose the right model for your car
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  • Remount your rear turn signal bulb and close your tail light block, then, verify your new turn signal bulb is operating correctly

In the event that you have any additional questions about the Cadillac XTS, do not hesitate to consult our Cadillac XTS category.