Final answer:
When lit, the symbol on the right indicates that the tank is full or has sufficient fuel.
Step-by-step explanation:
When lit, the symbol on the right indicates that the tank is full or has sufficient fuel. This is commonly seen in fuel gauges in vehicles, where a lit symbol represents that the tank is filled to the desired level. The symbol may vary depending on the vehicle, but it is often a picture of a fuel pump or a full tank.