What must be ensured for a drive-in to be compliant with Sonic Safe standards?

For a drive-in to be compliant with Sonic Safe standards, it is crucial that it is both clean and sanitary. This standard emphasizes the importance of maintaining high hygiene levels in food preparation and service areas. Cleanliness prevents the spread of bacteria and other foodborne illnesses, ensuring a safe environment for both the employees and customers. A clean establishment also enhances the overall customer experience and helps to uphold the brand's reputation.

While other choices may pertain to operational aspects, such as menu uniqueness or food packaging, they do not directly address the foundational requirement of cleanliness and sanitation, which is essential for compliance with health and safety standards. A focus on cleanliness is a fundamental principle in food service to prevent contamination and ensure quality.