http://www.cadillacfaq.com/faq/answers/changetaillight/index.html here you go.
You have a problem with the brake system. Once you repair the problem the light will reset itself.
remove passenger seat in 2003 cadillac cts
Remove the connector from the back of your 2003 Cadillac parking light assembly. Take hold of the lightbulb, push in and turn at the same time to remove it. Reverse the process to install the new parking lightbulb.
Begin by removing the wiring harness from your third brake light. Remove the third brake light retaining screws. Reverse the process to install your new third brake light.
you take out the old light and put the new one in
remove a starter for a 2003 cadillac escalade 6.liter
There is NO SUCH THING AS A CADILLAC CATERA FROM 2003...They stoped making them in 2001
You pull it
2003 cadillac cts has the oil pressure light on
more information needed is it in the window or the design in the spoiler
The brake light switch is located under the dash drivers side under a sound cover held in place by 2 screws, not that hard to remove.
brake light and battery light is on