Hyundai Elantra: Disassembly - Steering Column and Shaft. Repair 
procedures - Electric Power Steering - Steering System - Hyundai Elantra MD 2010-2015 Service manualHyundai Elantra: Disassembly

Key lock assembly
1.
Make a groove on the head of special bolts (A) by a punch.

2.
Loosen the special bolt using a screw driver and then remove the key lock assembly from the steering column assembly.
3.
Reassembly is the reverse of the disassembly.
Universal joint assembly
1.
Loosen the bolt (A) and then disconnect the universal joint assembly from the steering column assembly.

Tightening torque :
53.9 ~ 63.7N.m (5.5 ~ 6.5kgf.m, 39.8 ~ 47.0lb-ft)

2.
Reassembly is the reverse of the disassembly.