See also:

Traction AA, A, B, C
The traction grades, from highest to lowest, are AA, A, B and C. Those grades represent the tire’s ability to stop on wet pavement as measured under controlled conditions on specified government test ...

Vehicle Dynamics Control system monitor
Refer to “Vehicle Dynamics Control operation indicator light” and “Vehicle Dynamics Control warning light/Vehicle Dynamics Control OFF indicator light/ Traction Control OFF indicator light (STI)”. ...

Tire pressures
WARNING Driving at high speeds with excessively low tire pressures can cause the tires to deform severely and to rapidly become hot. A sharp increase in temperature could cause tread separation, ...