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.
To change the brake light on a 2008 Ford Focus, start by opening the trunk and removing the plastic cover or panel that protects the rear light assembly. Next, locate the brake light bulb socket, twist it counterclockwise to remove it, and then pull out the old bulb. Insert the new bulb into the socket, reassemble the components, and test the brake light to ensure it's working properly.
2008 Hyundai Sonata center high mount stop (third 3rd brake light) bulb replacement: Purchase the correct replacement center high mount stop (third 3rd brake light) bulb(s) first, before disassembling the vehicle. See sources and related links below for replacement bulb information. Then consult your owner's manual for the center high mount stop (third 3rd brake light) bulb replacement procedure. As simple as it sounds, the owner's manual is the best place to start for bulb replacement instructions and illustrations. If there are multiple bulbs, you may want to consider replacing all at the same time in order to keep brightness and color equal (optional).
it would be the brake light switch about 20 dollars at autozone
2008 Hyundai Sonata center high mount stop (third 3rd brake light) light bulb lamp replacement: Purchase the correct replacement center high mount stop (third 3rd brake light) bulb(s) first, before disassembling the vehicle. See sources and related links below for replacement bulb information. Then consult your owner's manual for the center high mount stop (third 3rd brake light) bulb replacement procedure. As simple as it sounds, the owner's manual is the best place to start for bulb replacement instructions and illustrations. If there are multiple bulbs, you may want to consider replacing all at the same time in order to keep brightness and color equal (optional).
2008 Chrysler Town & Country center high mount stop (third 3rd brake light) light bulb lamp replacement: Purchase the correct replacement center high mount stop (third 3rd brake light) bulb(s) first, before disassembling the vehicle. See sources and related links below for replacement bulb information. Then consult your owner's manual for the center high mount stop (third 3rd brake light) bulb replacement procedure. As simple as it sounds, the owner's manual is the best place to start for bulb replacement instructions and illustrations. If there are multiple bulbs, you may want to consider replacing all at the same time in order to keep brightness and color equal (optional).
Attached to the brake pedal.
To change the brake light bulbs on a 2008 VW Polo 1.2, first, open the boot and locate the tail light assembly on the side where the bulb needs replacement. Remove the access cover or screws to detach the tail light assembly. Once exposed, twist the bulb holder counterclockwise to release it, replace the old bulb with a new one, and reassemble the light by reversing the steps. Finally, test the brake light to ensure it’s working correctly.
To replace the brake light switch on a 2008 Hyundai Accent, first disconnect the negative battery terminal to prevent any electrical issues. Locate the brake light switch, which is typically situated above the brake pedal. Remove the old switch by disconnecting its wiring harness and unscrewing or unclipping it from its mount. Install the new switch by reversing the removal process, ensuring it is securely fastened and reconnect the battery terminal before testing the brake lights.
2008 Hyundai Sonata center high mount stop (third 3rd brake light) bulb replacement: Purchase the correct replacement center high mount stop (third 3rd brake light) bulb(s) first, before disassembling the vehicle. See sources and related links below for replacement bulb information. Then consult your owner's manual for the center high mount stop (third 3rd brake light) bulb replacement procedure. As simple as it sounds, the owner's manual is the best place to start for bulb replacement instructions and illustrations. If there are multiple bulbs, you may want to consider replacing all at the same time in order to keep brightness and color equal (optional).
2008 Nissan Sentra center high mount stop (third 3rd brake light) bulb replacement: Purchase the correct replacement center high mount stop (third 3rd brake light) bulb(s) first, before disassembling the vehicle. See sources and related links below for replacement bulb information. Then consult your owner's manual for the center high mount stop (third 3rd brake light) bulb replacement procedure. As simple as it sounds, the owner's manual is the best place to start for bulb replacement instructions and illustrations. If there are multiple bulbs, you may want to consider replacing all at the same time in order to keep brightness and color equal (optional).
There are two screws under the back dash that need to be removed to lift the assembly off the back dash. I had a problem with the same car. No brake lights at all. I disconnected the power to the third light and the main two brake lights started to work. There must be a short in the third brake light harness.
2008 Nissan Rogue brake light bulb replacement: Purchase the correct replacement brake light bulb(s) first, before disassembling the vehicle. See sources and related links below for replacement brake light bulb information. Then consult your owner's manual for the replacement procedure. As simple as it sounds, the owner's manual is the best place to start for brake light bulb replacement instructions and illustrations. You may want to consider replacing both left and right at the same time in order to keep brightness and color equal (optional).