20 Most Recent 2007 Cadillac CTS 3.6L - Page 5 Questions & Answers

car needs 3 things to run.. air fuel and spark..any one loss and it wont run.. check these systems..

if the key turns inside the door lock and it still wont open its the rod inside the door panel that connets to your handles inner workings

It could be a bad spark plug , spark plug wire or if your car has a coil pack then the number one coil could be going bad.

PO 451 Evap System Pressure SensorCould be a bad sensor or other issueHave a repair shop smoke test it,actuatethe sensor & see if it is workingA scan tool will also be needed to look at the sensors data output

under the back seat along with the battery If you need further help, I’m available over the phone at https://www.6ya.com/expert/stephen_fa62cb6d50fe05e8

THIS SHOULD BE IT.
How do I reset the Engine Oil life monitor and how does it work? TO reset To reset the Engine Oil Life monitor do the following:
Reset Oil life in NAV/DIC by (with car running) going to INFO>Oil Life>RESET
Press and HOLD until XXX turns to 100%
How does it work? The oil life monitor is a pretty sophisticated algorithm.

GM "The GM Oil Life System will automatically adjust the oil change interval based on engine characteristics, driving habits and the climate in which the vehicle is operated."

did you run it to boiling point? if so and engine is spinning faster than normal you might have a blow gasket. crank engine with radiator full of water if it comes out of radiator when cranking gasket blown.