The tires on all new production models have a tireperformance criteria (TPC) rating number molded on the sidewall.The TPC rating will appear as a 4-digit number preceded by theletters TPC-SPEC on the tire wall near the tire size. Areplacement tire should have the same TPC rating.
Tire Wear(1) | HardCornering/Underinflation |
(2) | Incorrect Alignment/Lack ofRotation |
(3) | Incorrect Alignment/Non-uniformTire |
(4) | Heavy Acceleration/Overinflation |
(5) | Wear Indicator |
Inspect the tire and wheel assemblies for the followingconditions:
Unusual wear such as cupping, flat spots, and/or heel-and-toewearThese conditions can cause tire growl, tire howl, slappingnoises, and/or vibrations throughout the vehicle.
Proper inflation to specifications for the vehicleBulges in the sidewallsDo not confuse bulges, which are an abnormal condition, withnormal ply splices which are commonly seen as indentations in thesidewall.
Bent rim flangesEngine Oil Life System
The engine oil life system calculates engine oil life based on vehicle use and displaysthe CHANGE ENGINE OIL SOON message when it is time to change the engine oil and filter. The oil life systemshould be reset to 100% only following an oil change.Resetting the Oil Life SystemTurn the ignition to ON/ ...