Which of the following discounts is NOT available through membership?

The option indicating the auto rental discount is not available through membership is correct. Membership programs typically offer a range of discounts on services and products that enhance health and wellbeing, while auto rental discounts are generally more associated with travel or vacation packages rather than health access memberships.

Membership benefits often focus on health-related services like dental care, accident medical expenses, or even niche insurance products relevant to health, such as pet insurance, which can impact overall family health management. Therefore, the other choices reflect discounts that align more closely with the overall theme of health and wellness support that a membership program seeks to provide.