Rust around wheel nuts may mean: Question Rust around wheel nuts may mean: Answers It rained recently. The nuts are loose. The nuts are too tight. Explanation It is important to inspect your tires before every drive. Rust around wheel nuts may indicate that they are loose. This questions appears in the following tests: Alaska Tank California Class A Knowledge Test California Double California Passenger Florida Passenger Hawaii Class A Knowledge Test Hawaii Class B Knowledge Test Hawaii Class B Knowledge Test Idaho Double Maine Class A Knowledge Test Maine Class B Knowledge Test Missouri Class A Knowledge Test Nebraska Passenger Rhode Island Class A Knowledge Test Rhode Island Class B Knowledge Test Rhode Island Double South Carolina Class B Knowledge Test South Carolina Double