I googled around a bit for this problem because the Impala is a car I
Here are a couple relevant links.
The first talks about the shifter solenoid, the second about the
Both are in the shifter console, so getting in there should provide
I don't know how your maintenance guys work or their rules, but
somebody has to get in there to find the answer.
A case of beer might work.
Second link includes this from the mech:
"If the key in your car will not turn all of the way off I would
suggest lifting the cover shown earlier and spray some good lubricant
on the plastic pawl and work it back and forth by hand to free it up
and allow the key to turn all of the way off."
He also says don't force the key.
That case the key had been forced and added up to bucks.
Only thing needed was a cleaning of the shifter.
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