Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2020 Subaru Ascent BaseFACTORY OEM SERVICE PROCEDURE
Active Test: List
| Active test item | Content | Execution condition | ||
|---|---|---|---|---|
| Color check | White indication | By forcibly making the whole screen white, it is possible to check whether white color is properly displayed. | Ignition switch ON (Engine OFF) | |
| Black indication | By forcibly making the whole screen black, it is possible to check whether black color is properly displayed. | |||
| Red indication | By forcibly making the whole screen red, it is possible to check whether red color is properly displayed. | |||
| Green indication | By forcibly making the whole screen green, it is possible to check whether green color is properly displayed. | |||
| Blue indication | By forcibly making the whole screen blue, it is possible to check whether blue color is properly displayed. | |||
| Brightness check | Noon Brightness Check | Most Bright | By forcibly changing brightness of the current screen to the brightest level of daytime light, it is possible to check whether the brightness is changed. | |
| Bright | By forcibly changing brightness of the current screen to a brighter level of daytime light, it is possible to check whether the brightness is changed. | |||
| Standard | By forcibly changing brightness of the current screen to a normal level of daytime light, it is possible to check whether the brightness is changed. | |||
| Dark | By forcibly changing brightness of the current screen to a darker level of daytime light, it is possible to check whether the brightness is changed. | |||
| Most Dark | By forcibly changing brightness of the current screen to the minimum level of daytime light, it is possible to check whether the brightness is changed. | |||
| Night Brightness Check | Most Bright | By forcibly changing brightness of the current screen to the maximum level of night-time light, it is possible to check whether the brightness is changed. | ||
| Bright | By forcibly changing brightness of the current screen to a brighter level of night-time light, it is possible to check whether the brightness is changed. | |||
| Standard | By forcibly changing brightness of the current screen to a normal level of night-time light, it is possible to check whether the brightness is changed. | |||
| Dark | By forcibly changing brightness of the current screen to a darker level of night-time light, it is possible to check whether the brightness is changed. | |||
| Most Dark | By forcibly changing brightness of the current screen to the minimum level of night-time light, it is possible to check whether the brightness is changed. | |||
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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