Oil Light On On My Trailblazer My Oil Light Just Came On Today. I Have An '07 Trailblazer?

My oil light just came on today. i have an '07 trailblazer? - oil light on on my trailblazer

I plan to go tomorrow afternoon to get it changed, but I want to know how long I have my car with the lights on and no other damage to drive
- Thank you