If you are talking about the third brake light... All i had to do was to take a small flat screwdrive and pry out the round plastic pin on the side of the housing. You will see a round pin on the side you have to pry out the small pin in the middle of the big circle. Then you can pull out the bigger pin. To put back insert the big pin then push the small pin back in.
Center High Mount Stop Lamp or CHMSL. It is also called a third brake light.Center High Mount Stop Lamp or CHMSL. It is also called a third brake light.
Centre High Mount Stop Lamp (CHMSL)
go here for instructions: http://www.justanswer.com/questions/1dswm-2002-avalanche-high-mount-lamp
From in the truck, drop panel.
Put a hammer to it. It should brake.
The CHMSL (Center High Mount Stop Lamp) is an LED unit only available from a dealer and is not servicable It should just unbolt
If "safety lamp" is actually referring to the high-mount / center brake light, see "Related Questions" below for more
It's the Centre High Mount Stop Lamp (CHMSL) fuse.http://en.wikipedia.org/wiki/Chmsl#Centre_High_Mount_Stop_Lamp_.28CHMSL.29
A lava lamp is a chemical change
a mood lamp is a lamp that can change a mood in a room
I could not find the bulb information for the 2008 Cadillac DTS which leads me to believe you may end up talking to your dealer (meaning its not a standard process like most vehicles). See sources and related links below for other bulb information besides Center High Mount Stop (3rd Brake) Lamp information.
Which brake lamp are you needing to change? Brake/turn signal lamp.