| Component Location |

| 1. Rear door module |
Replacement • When removing with a flat-tip screwdriver or remover,wrap protective tape around the tools to preventdamage to components.
Replacement • When removing with a flat-tip screwdriver or remover,wrap protective tape around the tools to preventdamage to components.
Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the glove box. (Refer to Body - "Glove Box Housing") 3. Remove the smart key unit (A) after loosening the nuts.
Description The PTC (Positive Temperature Coefficient) heater is installed at the exit or the backside of heater core. The PTC heater is an electric heater using a PTC element as an auxiliary heating device that supplements deficiency of interior heat source in highly effective diesel engine.