It probably needs to be reset after the oil change. New vehicles use the oil light to let you know you need to change the oil, but they need to be reset at the time of the change.
If the VSC flashing light comes on at the same time on your Toyota Corolla, then there might be a sensor issue, and if you have a warranty, have it back to the manufacturer.
my2003 toyota corolla the airbag light is on
HOW TO FIX A PARKING LIGHT ON A 1996 TOYOTA COROLLA
where is hazard light switch on toyota corolla
How do you reset maint read light on 2010 corolla
how do you replace 1999 Toyota corolla corner light - passenger side
Explanation of 2003 Toyota Corolla Dashboard
The flashing light is letting you know your differential is locked in for more traction
on your dash,
There is no light on the steering wheel.
The 1989 Toyota Corolla tail light relay switch can be found in the fuse box. The tail light relay switch will be in the third column, second from the top.
Check the brake light switch located under the 1989 Toyota Corolla. If the switch is stuck the parking light will continue to stay on.