In article , Commander Kinsey
wrote:
Why do people say left hand down instead of left? We all know which way
to turn the wheel to make the car go left, and it's the same in reverse.
And if I'm reversing looking over my shoulder, one hand isn't on the
wheel so the phrase makes no sense!

That was line in "The Navy Lark", a radio comedy programme from the 1950s.

--
from KT24 in Surrey, England
"I'd rather die of exhaustion than die of boredom" Thomas Carlyle