My car takes about 3 minutes before it shifts out of park. on 1999 Buick Regal

It has to run a few minutes before it shifts.

Asked by for the 1999 Buick Regal
Is the transmission not shifting or can you not get it out of park?
1 more answer
Transmission service? How many miles on it with no transmission service. Low on fluid. Fluid color dirty? Filter maybe restricted. Have Tech check it.