Universal Power Window Roll Up For 4 Doors Auto Close Alarm System Module _x000D_ Function:_x000D_ _x000D_ OOTDTY _x000D_ 1.If you forget to close the for windows , you just need to press the "lock" function, then the four for windows will be turn off._x000D_ 2. function :you can press unlock or lock to suspend it ,When the for windows are closing or opening._x000D_ _x000D_ Instructions:_x000D_ 1.There is 30 seconds waiting between close and open when you use it at first for time._x000D_ 2. Close function: the four for windows will be closed after you press "lock" function for 3 seconds._x000D_ 3.Open function: the four for windows will be opened after you press "unlock" function for 3 seconds._x000D_ _x000D_ Installation:_x000D_ Install it into car OBD in the of flame_x000D_ ( The OBD was located on the center console lower left corner)_x000D_ And then you can use it after starting the engine_x000D_ _x000D_ Suitable:_x000D_ For Cruze (2009-2014) / (2009-2015)_x000D_ For Buick for Excelle / for Excelle XT / New (2009~) / New (2009~) / New GL8_x000D_ _x000D_ _x000D_ Specifications: _x000D_ _x000D_ Material: Plastic_x000D_ Color: Black_x000D_ Size: 4.8cmx2.5cmx2.5cm(LxWxH)_x000D_ Quantity: 1 Pc_x000D_ _x000D_ Note: _x000D_ _x000D_ Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid_x000D_ Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!_x000D_ _x000D_ Package Contents:_x000D_ 1 Controller_x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_