NOTE:
Drive belt deflection/tension inspection is not necessary because of the use of the drive belt auto tensioner.
1. Verify that the drive belt auto tensioner indicator mark does not exceed the limit.

If it exceeds the limit, replace the drive belt..
Drive Belt Inspection [Mzr 2.0, Mzr 2.5]
Drive Belt Inspection [Skyactiv G 2.0]Crankshaft Position (CKP) Sensor Inspection [Mzr 2.0, Mzr 2.5]
Visual Inspection
CAUTION:
When foreign material such as an iron chip is on the CKP sensor, it can cause
abnormal output from the sensor because of flux turbulence and adversely affect
the engine control. Be sure there is no foreign material on the CKP sensor when
replacing.
...
Cruise control
In the Subaru Solterra, cruise control allows the vehicle to maintain
a constant speed without continuous pressure on the accelerator pedal, providing
a more relaxed and efficient driving experience on long journeys.
The Subaru Solterra cruise control system is intended for use on
highways an ...
Filament Inspection
1. Turn the ignition switch to the ON position.
2. Turn the rear window defroster switch on.
CAUTION:
Directly touching the rear window defroster filament with the lead of the
tester could damage it. Wrap aluminum foil around the end of the lead and inspect
the filament by touc ...