Wheel alignment, wheel balancing
Only the specified weights may be used for wheel balancing.
Self-adhesive weights must not come into contact with cleaning agents, since they could drop off. Uneven tread wear indicates wheel imbalance. In this event, the vehicle should be checked at an authorized Porsche dealer.
High-Speed tire Vibration
Wheels with Tire Pressure Monitoring (TPM) sensors
Removing and storing tires
Tires must always remain on the same side of
Wheels must always be fitted in accordance with their marking.
The perception that tire durability and performance are not affected by storage and age is unfounded.
Chemical additives, which make the rubber elastic, lose their effectiveness over the course of time and the rubber becomes brittle and cracks.
Therefore, the tires should be inspected from time to time.
The age of the tire can be obtained from the "DOT" code number. If, for example, the last four numbers read 1211, then the tire was produced in the 12th week of 2011.
Use Porsche approved snow tires for grip on snow and ice. Summer performance tires are not suitable for usage in cold, snowy, or icy conditions.
Check with your local Motor Vehicle Bureau for possible restrictions.