The Buick Roadmaster was not produced in 1986. They were made from 1991 to 1996.
The answer to this is too complex and you need special tools...sorry..Rick D
fuel pump keeps running after the key is out what do I need to check I have to remove the fuses to stop the pump.
do I remove steering wheel to change out ignition
A 1992 Buick does not have an inertia or fuel cut off switch.
It is not equipped with an inertia switch.
Replace ignition switch for 1993 buick century?
Ignition CoilEngine LH Side Upper
Ignition what? Switch? Coil?
Low freon
How to unlock a buick roadmaster
A. Here you go. This works on the 1996 model Change Oil or Change Oil Now Message: # Turn ignition switch to ON position, without starting engine. # Press accelerator pedal to wide open throttle (WOT) position and release three times within five seconds. # If Change Oil warning indicator goes out,system has been reset. # If Change Oil warning indicator does not reset, turn ignition switch Off and repeat procedure.