Start with your requirements
Write down the functions that matter to you before reading package names. Heated seats, an adjustable seat base and seat memory are separate requirements. A broad comfort or technology label should not replace those individual questions.
Avoid assumptions from another car
Package names and contents can differ between models, model years and markets. Even a familiar name should be checked in the context of the particular vehicle. Do not copy a package description from an unrelated listing into your own notes.
Check the items one by one
Ask which individual features the seller is claiming. Compare that answer with the car's equipment information and with the controls you can inspect. Keep separate entries for confirmed features, features that are present but untested, and questions still awaiting an answer. A badge or a package label is not an operational test.
Use precise language afterwards
When comparing cars, compare the functions instead of counting package names. When writing a listing, describe established equipment clearly and avoid adding features merely because you associate them with a package. If a package remains unclear, retain the original wording and state the uncertainty in your private notes. A shorter list of verified functions is more useful than a longer list built from assumptions.