TUCSON(LM) >2011 > G 2.0 DOHC > Brake System > ESC(Electronic Stability Control) System > ESC OFF Switch>Repair procedures  
Inspection
1.
Turn ignition switch OFF and disconnect the negative (-) battery cable.
2.
Remove the crash pad side switch assembly.

3.
Check the continuity between the switch terminals as the ESC OFF switch is engaged.