The Lego car's light belt starter motor will not flash.

Does the subject want to ask "why doesn't the light belt starting motor of Lego car flash?" The battery is low, the link is wrong or faulty.

1. Battery power is insufficient: the light belt starter motor of Lego car is powered by battery. If the battery is low, the motor will not work normally. Check and replace the battery to ensure that it is fully charged.

2. Link error or fault: The optical belt starting motor of Lego car is connected with other components (such as switches and wires) through connectors. Check whether the connector is connected correctly and make sure there is no wiring error or fault.