How To Program Cadillac DeVille Key 2000 - 2005 DIY Transponder Chip Ignition - All Keys almost

A DIY video tutorial on how to program a new key to a 2000 - 2005 Cadillac DeVille. This procedure is for when all keys are lost for your DeVille. If you just need to add a key, you can find that video HERE    • How To Program A Cadillac Ignition Key 200...   More free key programming instructions available at https://www.ProgramAutoKeys.com Remote programming instructions available at https://www.ProgramYourRemote.com 1. Insert a new cut chip key in ignition and turn key to the ON position for 10 minutes and 30 seconds. 2. Within 45 seconds turn the key to OFF and then back to the ON position for 10 minutes and 30 seconds. 3. Within 45 seconds turn the key to OFF and then back to the ON position for 10 minutes and 30 seconds. 4. Turn key OFF then back ON. The key is now programmed. Start your De Ville to test key. This procedure will program a new transponder ignition key to following Cadillac models: 2000 Cadillac DeVille 2001 Cadillac DeVille 2002 Cadillac DeVille 2003 Cadillac DeVille 2004 Cadillac DeVille 2005 Cadillac DeVille