2. Charging operation instructions ■ Open the charging coupler cap and the charging coupler protective flap. ● Open the charging port cover: ● Open the charging coupler protective flap of vehicle and ensure that there is no obstacle on the ends of charger or charging coupler. ■ Connection of power supply coupler: ● Insert the power plug of three-to-seven adapter into the household socket. The power indicator lamp of the three-to-seven adapter turns on constantly (in red). 90 4 -1 Charging and discharging descriptions