How do you replace the licence plate light on a cadillac cts?

To replace the license plate light on a Cadillac CTS, first, locate the light assembly at the rear of the vehicle. Use a flathead screwdriver to carefully pry off the light cover. Remove the old bulb by twisting it counterclockwise and replace it with a new bulb, ensuring it is securely in place. Finally, reattach the light cover, and check that the new bulb is functioning properly.