Testing is mandatory. Troubleshooting electrical devices in the car is part of the standard procedure. We will test the window lift motors, mirror folding, air conditioning compressor and fan, electric seat tracks, etc. Any stuttering or failure of electronic components will be recorded.

The headliner is considered an "irreversible interior component." If the edges are delaminated or there are deep, hard-to-clean dark water stains, it will directly lead to a downgrade in the interior grade, even if it does not affect driving. We will not use pins or low-quality glue for cosmetic repairs.

There are various reasons, including but not limited to: financial needs, restrictions from lottery policies, moving abroad, or dissatisfaction with certain features of the vehicle. We will ensure that the vehicle was not sold due to catastrophic failures by ruling out major accidents, water damage, and flooding.