Failure of lifting/lowering and horn functions

• Cause of failure: controller is damaged.

  Solution: Replace controller.

  Tools: allen wrench/outer hexagon socket wrench (#8）; phillips screwdriver

  
  

  Required information for warranty claims:

  1. Photo of truck name plate;

  2. Video of truck problem (Normal driving, no lifting, lowering or horn)

  3. Photo of the controller