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 surfaces of asphalt and concrete. A tire marked C may have poor traction performance.
|
Inspection
1. Start and warm up the engine.2. Depress the brake pedal, and shift the select lever to “D” range.3. Shift the select lever to “P” or “N” range.4. Depress the brake pedal and hold it.5. Check “secondary pressure sensor voltage” by using Subaru Select ...