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.

Flywheel Inspection
Remove the ring gear holder.
Inspect the ring gear teeth for wear and damage.
Inspect the clutch disc mating surface on the flywheel for wear, cracks,
and burning.
...
If the Charging System Indicator Comes On
■ Reasons for the indicator to come on
Comes on when the battery is not being charged.
■ What to do when the indicator comes on
Turn off the heating and cooling* system, rear defogg ...
Fuel Recommendation
Your vehicle is designed to operate on unleaded gasoline with a pump octane number
of 87 or higher. Use of a lower octane gasoline can cause a persistent, heavy metallic
rapping noise that can lea ...