Cadillac Repair: brake light /traction error, brake light switch, climate control

Question
2003 seville- my brake lights are not working -fuse ok -trunk brake lights work -is by brake light switch bad and how easy is it for me to replace- also my cruise control not working now and i get msg have electrical system checked and traction control warning -

Answer
Your fault is in the barke switch under the dash at the brake pedal. Replace it and CLEAR (erase) the code from the computer via your CLIMATE CONTROL PANEL ONLY. Disconnecting the battery or pulling fuses will NOT CLEAR the codes.

If you would like pictures showing how to perform these tasks, E-mail: onlineautohelp@msn.com