The seat-heaters of front row
    1 Composition
      Four heating pads,a wire with controller,a Membrane switch.
    2 Installation
      (1)Take off the seat cover,There is some glue on the pads,put the pads on the back and the bottom of the seats.
      (2)Put the wire of the pads under the seat and link with the controller.
      (3)There is some glue on the membrane switch.For the sake of convenient,you can paste it near the handbrake.You should better put the switch as low as       you can,that would looks pretty .
      (4)There is a connector between the membrane switch and controller,you can replace it.
      (5)Connect the cathode of the power supply(black line) with the ground line,or connect with the nut under the driver's seat,keep it tight.Connect the red line with the "ON"line or connect with somewhere that near the fuse that the crrent is at least 10A.This place must be:When the car is not working the current is zero,when the car is working the current must at least 10A.The way to find this place:Put the multimeter at the 20V,link the black line with the ground lineand the connect with the place that the current is higher than 10A,When the car is working the DC voltage is higher than 12V,when the car is not working the DC voltage is 0.That is the place.
    3 How to use
      (1)Make the engine running.
      (2)Press the membrane switch for the first time,the red light brighten,the sea-heater is at High level,if you do nothing it will stop heating in 40 minutes,if you want to use it,press the switch.
      (3)If you press the switch twice during the 40 minutes,the green light brighten,the heater is at medium level,if you press third time both green and red light brighten,the heater is at low level.
      (4)You can switch to any level as you want.
    4 Warning
      (1)Connect the connector correctly.
      (2)Cathode and anode should connected correctly and tightly
      (3)After connect all the connection,check them again.