How can I fix my corsa?

My 1.2 vauxhall corsa is showing the oil light. I have checked the oil and this is ok. What else can I do?
Charlotte, August 2005
sump plug removal 2006 deisel 1300 does it require a star drive socket

is the oil filter at the back of the engine under a cover

chris, February 2010
CAN NOT FIND GLOW PLUG RELAY 1.5 DIESEL 1994 corsa

GREEN.DES@btinternet.com.uk, May 2006
It could be the oil pressure, so call your local garage or breakdown service and I personally wouldn't risk driving it until its resolved. You could do a lot of damage to the engine.

Linz, August 2005
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