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.

System Controls
...
Piston Installation
If the Crankshaft is Already Installed
Set the crankshaft to bottom dead center (BDC) for each cylinder as its
piston is installed.
Remove the connecting rod caps, and check that ...
Driving
Manual Transmission
Automatic Transmission
● Shift to P and depress the brake pedal when starting the engine.
Shifting
Park
Turn off or start the engine.
Transmission is locked.
R ...