How do you reset the computer in your Cadillac dts?

To reset the computer in your Cadillac DTS, you can start by disconnecting the car battery. Remove the negative terminal and leave it disconnected for about 15 minutes to clear the memory. Reconnect the terminal, and then turn the ignition to the "On" position without starting the engine to allow the system to reboot. This should reset the computer and clear any stored error codes.