Cadillac DeVille Questions

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Lid latched but motor wouldnt close lid the rest of the way. Opon feeling the motor, it was very hot so i unplugged it for now. I dont want my trunk half open until i can get it fixed. Need to know how to secure it so...
No speedometer not show gear in not info. not direction lights not info watertenp. battery, miles
This happens mainly on rainy days, then the next day everything is fine. What is going on?
when pushing the pedal to idle it down the engine just keeps racing more until the ignition is shut off.
I constantly have to put in antifreeze, I took it to my Mechanic they replaced the thermostat. It still overheated brought it back and they tested it and said the head gasket was leaking and needed to be replaced cost...
ON DASH DISPLAYS: CHECK OIL, CHECK GAS CAP, CHECK STEERING SYSTEM, CHECK ELECTRICAL SYSTEM.. HOW OFTEN THIS PROBLEM OCCURS AND IS THERE SOME UNDERLINING PROBLEM THAT NEEDS REPAIR.
when you accelerate big puff smoke then it clears up for a few seconds then another big puff of smoke I put a compression test all cylinders the same, sounds like it's relieving pressure, motor runs fine does not miss...
jus did oil change and new filter n changed oil sending unit.cuz he leaked oil a bit
Dude lay started idling very rough. Changed plugs, checked coils, did a pressure check and cylinder 7 has none, dead hole! Thinking the spring may have broken keepin the valve open all of the time. No smoking and runs...
I had just stopped at a stop sign and as I was going on I lost D 123 & R ,,,but still have park ! The fluid does not smell burnt, and its not milky,. My code reader gave me nothing on the transmission, according to t...
heat my go from hot to ac or in summer from ac to heat the tac starts blinking off and on the gas meter says I can go 600 mi on 2 gal gas all these codes start blinking on and off mainly a d shows up in heat control....