It has to run a few minutes before it shifts.
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1999 Buick Regal Question: My car takes about 3 minutes before it shifts out of park.
Answer #1G. T. Service Center (4242 Answers) , Stephenville, TX - (254) 638-3236ProfessorG October 17, 2013, 17:38Master
Transmission service? How many miles on it with no transmission service. Low on fluid. Fluid color dirty? Filter maybe restricted. Have Tech check it.
Rojo1 October 18, 2013, 00:26Technician
Is the transmission not shifting or can you not get it out of park?