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.

HFT-Navigation Microphone Removal/Installation (With Navigation)
Remove the front individual map light lens (A) using a flat-tip
screwdriver.
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M/T Differential Thrust Clearance Adjustment (M/T)
Special Tools Required
Driver Handle, 40 mm I.D. 07746-0030100
Remove the left driveshaft side oil seal from the transmission housing.
If you remove the 80 mm shim (A) fro ...
Audio Control Display
Press the AUDIO button to display the audio system on the
navigation screen.
...