You can turn on and off the inside light by pulling in/out the switch for the front lights.
The shift light on a Vauxhall Corsa is a light that indicates whether or not you're driving in low gear. It is typically located right on the dash.
A spanner
Red
Under The Steering Wheel
Turn light switch clockwise
check your door contact
May depend on model, especially if an early model. My Corsa has two.
1 reverse light and 1 tail light
easier to buy a complete new light mate
It is the same as turning any other warning light you need a diagnostics computer
A Vauxhall Corsa B can be found at many used car sales as they are quite popular due to being small, light, and economical. One could also check auction sites such as eBay.
you pull out the switch for the headlights, it took me a while to find it too