No, no adjustable seats.
The only reason we had power door locks, is those cars had cages for prisoner transport. We drove midsize cars as regular district cars, full size as "lock ups" and a van as a transport vehicle. In '83-84 district cars were Malibus, after that we drove Celebritys (yukk) until '87-'88.
The first ever police car I drove with power everything, and honest to goodness CARPET, was a '93 Caprice. I had 14 years on by then.
Not to hijack, but here's the car.
We were told they were ordered by another high faluting PD on the east coast, which couldn't take delivery. I inherited that beast when I got made and transferred back to uniform. It was such a nice car we hid it from fleet services every time it was due to be rotated to the reserve fleet.
G