is there a way to bypass the pk3 security system on 2000 Cadillac DeVille

sometimes when I try to start my car I get nothing & the dash lights dim. after a short period of time I turn the key and the car starts. I think the security system in malfunctioning can I turn it off

Asked by for the 2000 Cadillac DeVille
1 answer
have anti theft codes read and post so we can adv. poss charging system issues or battery