Extension Bar

WARNING: This page is about a different car, the 2003 Kia Rio. However, it is still accessible from the selected car via links, so may be relevant.

Install the extension bar to the floor, and then onto the transaxle. Tighten the extension bar nut at the transaxle.
Tightening torque:

3.2~4.7 kg.m (23~34 lb.ft, 31~46 N.m)

Fig 1: Tightening The Extension Bar Nut At The Transaxle
Courtesy of KIA MOTORS AMERICA, INC.
Tighten the shifter bracket nuts to the specified torque.
Tightening torque:

52.1~78.1 lb.in (5.8~8.8 N.m, 60~90 kg.cm)