Originally Posted by Legender

You need to check your alternator. The first thing to start coming on when you've got low power, not enough juice provided by your alternator is the VSC light.
With the car running make sure you're battery is showing close to 14 volts... I suspect you've got a bad alternator.
If the Power Steering pump is leaking it will most definitely kill the alternator. This is a known problem on these cars.

Based on your description I'd say it's the alternator... at least, that's where I would start.