Probably the shift linkage in that model.
on the shifter there is a button on the left. press it
No
Foot on brake pedal or linkage to trans is loose or out of adjustment.
As a safety design, you do need to step on the brake pedal to shift out of park. If you are doing this and still can't shift, there may be something wrong in the transmission.
the 4t60-e transmission uses a shift modulator that can be found at most auto part stores. however i believe the '99 regals use the 4t65-e transmission which are not vacuum operated therefor to up the shift pressure you will need a tuner or a shift kit.
Change the fluid and the trans filter; a dirty trans filter can cause this.
If the transmission won't shift out of first gear on a 1992 Buick Roadmaster, it could indicate the transmission gears are seized. It can also indicate a low fluid level.
my buick will not start ,gear shift will not move, no cranking sound, all I get is light on dashboard . horn works , headlights work, battery is new(less than 1 mth old) my buick will not start ,gear shift will not move, no cranking sound, all I get is light on dashboard . horn works , headlights work, battery is new(less than 1 mth old)
Just right into the test stick , check level with engine running, apply gear shift back and fore then parking before checking level
The 1998 Buick Century shift solenoid is located on the top of the transmission. The shift solenoid can be access through the shifting console.
Sounds like it has either: Leaked all the oil out or HAs had serious failure durring start up, it is common for a pump failure to happen at start up when the oil is cold.
inside trans