Inspect the belt for cracks or damage. If the belt is cracked or damaged, replace it.
Check that the position of the auto-tensioner indicator (A) is within the standard range (B) as shown. If it is out of the standard range, replace the drive belt.

Spark Plug Inspection
Remove the ignition coils and the spark plugs.
Inspect the electrodes and the ceramic insulator:
Burned or worn electrodes may be caused by these conditions:
...
DOT Tire Quality Grading (U.S. Vehicles)
The tires on your vehicle meet all U.S. Federal Safety Requirements. All
tires are
also graded for treadwear, traction, and temperature performance according
to Department of Transportation (DOT) ...
Adjusting the Steering Wheel
The steering wheel height and distance from your body can be adjusted so that
you
can comfortably grip the steering wheel in an appropriate driving posture.
1. Pull the steering wheel adjustment ...