My camper doesn't have the rotating seats, so I take the passenger seat off
the track & turn it around all the time when camping.  I could not think of
a single positive purpose for that locking tab and got tired of fighting
with it when taking the seat off the track.  30 seconds with a cutoff wheel
and it has never bothered me since.  To make seat reversal even easier, I
also used the cutoff wheel to remove the frontmost 1/2" of the seat tracks
because the seat cushion would hit the glovebox before the seat was
completely free from the track.

Brett

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Brett in Portland, OR
"Albert" '82 VanaFox I4 Riviera