Tim R wrote:

>It's an older Chevy. Occasionally the key didn't want to turn, but enough jiggling and I could get it to start.
>
>Now it's every time, and I'm never sure I'll get it.
>
>Would spraying lubricant into the keyhole help, or make it worse?

Better to use powdered graphite (or a dry lube stick) applied directly
to the key.

--
John H