BYD S6/F3/Surui/L3/Yuan Reverse Light Switch 10261586-00 Quality Choice

For BYD S6, F3, Suri, L3, Yuan models, when shifted into reverse, tail lights do not illuminate, reverse radar unresponsive, or instrument cluster reverse indicator flashing; this usually means wear or sticking of internal contacts in the reverse light switch causing signal failure. The switch, when functioning, connects circuit and lights reverse lights and activates the rear radar system to ensure safe reverse. OEM 10261586-00; fits BYD S6, F3, Suri, L3, Yuan models. Installation: disconnect battery negative first; remove old switch; check threads are clean; install new switch and tighten to specified torque (about 20–25 Nm) to avoid over-tightening damaging housing.