What should be done if the oil level is below the recommended capacity?

Top off with the appropriate oil type is the correct response because maintaining the correct oil level is crucial for the proper operation and longevity of the vehicle's engine. Oil serves as a lubricant for moving parts, helps to cool the engine, and prevents wear and tear. If the oil level is below the recommended capacity, it can lead to a range of problems, including insufficient lubrication, overheating, and increased friction among engine components.

By topping off the oil with the appropriate type, you ensure that the engine operates efficiently and safely. Using the manufacturer's recommended oil type is essential, as different engines have specific requirements based on their design and intended use. This action helps to restore the oil level to the optimal range, enabling the engine to perform effectively while safeguarding against potential damage.

Neglecting the low oil level would risk engine failure, while changing the oil immediately might not be necessary unless there's evidence of contamination or degradation. Checking for leaks is important too but primarily as a preventive measure rather than an immediate response to a low oil level.