Regardless it’s for your own safety, for roadworthiness testing or to avoid a fine, making sure your headlamp bulbs are always operational is really important. In reality, bulbs are wearing units that will predictably burn out after some time and as a consequence need to be changed. You’re probably in this article because one of your parking lights is burnt out and you’re wondering how to change your Cadillac DTS’s license plate bulb, we’ve written this article to help you do it all on your own and not have to go to your technician. Firstly, we will examine changing the license plate bulb from the outside, secondly, how to change the license plate bulb without outside access, and thirdly, how to change the rear license plate bulb of your Cadillac DTS.


How to replace the license plate bulb on your Cadillac DTS throughout the outside

This process is the simplest of the two, in fact, for this one you will only need to take off the protective covers of the bulbs. Regrettably on some years or packages of car these covers do not open from the outside and if this is the case we will spend some time on in the second section of this document to teach you the method.
So let’s start with swapping the number plate bulb by going through the outside of your Cadillac DTS. Regardless it’s the front or the back of your vehicle the operation will be the same.
Here are a few simple guidelines to stick to to perform this routine service:

  • With the engine turned off, unplug the battery terminals from your car
  • Face your license plate and use a flat screwdriver or knife to insert the flat part into the notch assigned for this intent (almost always on the transparent cover) and lever on the plastic window to open the license plate bulb slot of your Cadillac DTS
  • .

  • Use your screwdriver or knife to eject the bulb from its location, in the event that you are afraid of breaking anything, you can also do it with your fingers.
  • Finally, put the new license plate light bulb
  • Last stage, before reassembling, reconnect your battery and check the light to validate the achievement of the operation.

How to change the number plate bulb on your Cadillac DTS without outside access

Second section of our content page, swap this license plate bulb on your Cadillac DTS without external access. Generally you will be able to access it, but some series (often at the rear does not allow this access).

How to replace the front license plate bulb on my Cadillac DTS

To replace the one on the front plate, nothing could be simpler, you will have to put yourself under the vehicle (preferably put on candles to give you some space), and, going through the rear of the bumper, you will have to unclip the license plate bulb block, almost always kept by two soft plastic tabs by pressing on both at once, then once you have your license plate bulb block in hand, Take off the plastic that works as a seal, then with a thin screwdriver, on one side you will find a small notch, use a lever to open the plastic cover (be careful not to put in too much force otherwise you will break the plastic cover), and you will simply have to take off the burnt-out license plate bulb and change it with the new , then check and reassemble the whole thing.

How to replace the rear license plate bulb on my Cadillac DTS

Finally last possibility, you must replace the bulb on the backplate of your Cadillac DTS, but you cannot really open the cover from the outside of your vehicle. In this case, here is the method to perform this operation:

  • Disconnect the battery from your Cadillac DTS
  • Identify the spot of your light bulbs from the outside.
  • From the inside of the trunk, you have to remove the lining of the trunk, kept by clips, you will have to lever gently on all the frame of the trunk to remove it.
  • Once located, before removing the bulb holders, unplug the holders for less difficult access.
  • Using a screwdriver, lever the two plastic parts to remove the bulb holder
  • .

  • Change the burnt-out license plate bulb on your Cadillac DTS, check it and reassemble it, watching the clips on the trunk liner

There you have it, you have found out the main approaches for swapping license plate bulbs on your car, bear in mind that on some models the technique may be a bit different but you should be able to do it following the outline of this content page. If you can’t do it, don’t hesitate to go to your workshop it would be a shame to break a part of your Cadillac DTS. If you need to change other bulbs like the position light bulbs on your Cadillac DTS or the low beam bulbs on Cadillac DTS, don’t hesitate to read our articles which demonstrate you the process to follow.

To discover more tips on the Cadillac DTS, take a look at the Cadillac DTS category.