Heating system for steering wheel

A heating system for a steering wheel comprising:

• a rim covered with different materials including a leather part and a wood grain part;
• a first heating body provided in the leather part so as to provide heat with electric power;
• a second heating body provided in the wood grain part so as to provide heat through electric power;
• a pair of temperature sensors provided in the steering wheel so as to check the temperature of the leather part and the wood grain part, respectively;
• a power supply connected with the first and second heating bodies so as to supply electric power thereto;
• and
• a controller having a target temperature set for the first and second heating bodies and serving to, if the steering wheel needs to be heated, control the power supply to sequentially apply maximum electric power to the first and second heating bodies so as to regulate a heating operation of the first and second heating bodies.