Warranty: the guarantee of our most products is one year. Before sending out, all items have been double verified by ChinaCarDiags.com. Our test engineer will check for quality, including check the basic function of the hardware and software, the appearance, the packing, the necessary accessories and power adapter plug standard. After finish quality check, our QC stuffs will check the quality carefully and paste our own QC label in the form of month/date/year on every item.
If you have any using problem of the products which buy from ChinaCarDiags.com, please feedback to us first, and we will try our best to solve your problem. We can solve your using problem via our technical support in most of cases.
Lost Products: If products get lost in delivery, or you still do not get your item for a long time, please contact our customer service timely. We will deal with this ASAP. Please do not deal with it by yourself; we hope you could communicate with us. Usually, we will provide tracking number and tracking link timely. If products get lost on the way and we get confirmation from couriers, we will arrange redelivery for you. If you want to deliver it through express, then you need to pay express shipping cost.