Kia Sorento 2001 General Information Manual page 1292

Blower switch
1. Check continuity between terminals of blower switch.
2. If not as specified, replace blowe switch.
REMOVAL
1. Drain engine coolant, (refer to Engine Cooling System.)
2. Remove instrument panel, (refer to Body).
3. Remove control cable.
4. Disconnect heater hose from heater unit.