Toyota Repair: Engine & VSC lights came on., vsc, autozone

Question
2002 Highlander - Just had oil change less than 2wks ago.
130k no trouble, then I have oil chg and check engine & VSC lights
came on. What would cause this? Would like to know before I take
her to the dealer.

Answer
The VSC light usually turns on because of the check engine light, so it should be diagnosed first,if possible have a diagnostic acantool connected to get the trouble codes, some autoparts stores like Autozone will do this at no charge, I would need the trouble codes in order to help.