- Stable handling and grip - Extreme grip on wet, snow and ice surfaces - First class driving comfort The period of warranty coverage for eligible tires extends until: i) the original usable and remaining tread reaches a depth of 2/32" or less, as evidenced by the built-in wear indicators in the tread grooves, or a tire tread depth tool; or ii) five (5) years from the date of retail purchase (proof of tire purchase required); or iii) six (6) years from the date of manufacture, whichever occurs first.