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questions

Brought car to mechanic to change spark plugs. Next day, get a call from the police that my car is running in the parking lot but is locked and no keys inside.
Get to my car to figure out that when I turned my car on and off again with the key, even though the engine cut the headlights and dash lights are stuck on.

Took my car back to my mechanic and he said it was a separate issue-not his fault, however he had done work to my car less than 24 hours prior and I did not have this issue before.

I know that I have a oil leask. But my main problem is the high idle. In the morning it's fine until you drive for a while and it gets hot then went you stop and put it in Park it idles high a won't go down

when the battery goes dead the car quits ive replaced batt, alt and fuse it started once then died and wont start again it cranks over but acts like its not getting spark or fuel

its more like a jerking and it feels like its slower than normal

Brand new coils, plugs, wires.

I have 3 codes coming up but don't think there all bad, wanted to see who can help me. p0330 knock sensor 2 circuit bank 2, p1135 a/f sensor heater circuit malfunction bank 1 sensor 1, p0770 shift solenoid e. car starts knocking or shifting funny from 45mph to 55 then its fine

I have three keys to the car one is grey do I start car with that one