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AT oil temp light flashing, ABS, VDC, Hill Assist lights are on

2 reading
288K views 80 replies 64 participants last post by  Greyfox  
A battery load test with a printout is good so you can rule that out. Ask if they can read 'history' codes. Codes that were 'set' but went away. (Apparently there were none) Subaru dealer can definitely read 'history' codes.
Visually check everything in the engine compartment. Especially the battery cable connections. All that rain could have gotten something wet.
Check the engine air cleaner, maybe it sucked in some water.
Check the gas filler cap to make sure it fits securely.
Is it time to clean the intake valves??
I don't have a clue about a 2018 Crosstrek, the above is just a wild guess.