For 1990-2009 cars

#### Tire Wear

(1) | Under-Inflation, Hard Cornering, Lack of Regular Rotation
(2) | Incorrect Wheel Alignment, Hard Cornering, Lack of Regular Rotation
(3) | Incorrect Wheel Alignment
(4) | Over-Inflation, Heavy Acceleration, Lack of Regular Rotation
(5) | Normal Wear to the Wear Indicator

### Inspection Procedure

1. Inspect the front tire wear.
2. Inspect the rear tire wear.
3. Rotate the tires if any of the following conditions exist:

• | The amount of time or mileage since the last tire rotation matches the maintenance schedule.

• | The outer tread blocks are worn more than the middle tread blocks (1).

• | The outer tread blocks are worn more than the inner tread blocks (2).

• | The middle tread blocks are worn more than the outer tread blocks (4).

4. Measure the wheel alignment if any of the following conditions exist:

• | The tread blocks have feathered edges (3).

• | The outer tread blocks are worn more than the inner tread blocks (2).

• | The inner tread blocks are worn more than the outer tread blocks (2).

5. Inspect the struts or the shock absorbers if the tire tread exhibits a cupped appearance (3).