To fit

Fig 1: Illustration For Steps 1-5

Courtesy of SAAB-SCANIA OF AMERICA, INC.

Solder the leads to the SPORT button. Place some form of protection under it so that drops of solder do not fall onto the center console.
Press the SPORT button into place.
Run the leads in a loop so that they will not be nipped.
Fit the front part of the selector lever casing.
Screw the selector lever together.