Remove the harness holder (A).

Check the PCV valve (A), the hoses (B), the pipe (C), and the connections for leaks or restrictions.

At idle, make sure there is a clicking sound from the PCV valve when the hose between the PCV valve and the intake manifold is lightly pinched (A) with your fingers or pliers.
If there is no clicking sound, check the PCV valve washer for cracks or damage. If the washer is OK, replace the PCV valve and recheck.

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.
...
Radio Theft Protection
Your vehicle’s audio system will disable itself if it is disconnected from electrical
power for any reason.
To make it work again, you must enter a specific five-digit code in the preset
button ...
Audio Antenna
Your vehicle is equipped with an antenna at the rear of the roof . Bef ore
using a ‘‘drive-through’’ car wash, remove the antenna by unscrewing it by hand.
This prevents the antenna f ...