How can remove the rear seat on a 1990 mercury sable
NONO
The knob adjusts the lumbar support in the driver's seat back.
Apply pressure (usually kneeling is the best and easiest) on the rear of the seat and pull the seat towards the front of the car.
yes
A very definite maybe ... the 3rd seat was an option, so not all wagons are equipped with them.
99% sure enough to say... No, no airbags in the seat.
simply wear your seatbelt.
presiona hacia atras la parte donde te sientas y levanta tiene que ser con fuerza
Just push back on the seat and lift.
Remove the back seat cushion by pushing it horizontally back and then lifting up vigorously. Remove the two large nuts holding down the seat back; lift up and off on the seat back. Remove the rear deck cover by sliding forward. Unscrew the speakers.
Fuel pump