The light is on because there is a fault somewher.
To turn the light of you fix the fault.
it just means it needs a service take it to the garage they will sort it for you
That is the check engine light.
i get a wee car on a bendy road light,what is it? This is Traction Control Light, to do with the Braking system,
It sounds like the thermostat is opening up late causing the engine to almost overheat before it opens. Replace the thermostat.
look on the vectra forums
hold milage reset button in and switch on ignition.hold for about 5 seconds and it will reset.
this is service warning light, informing you car is due a service
on an earlier model it meant problems with ECU
Over heating engine or engine check light ?
my car doing the same thing
batery ligt with a star in the middle
The electronic engine warning light can come on if there is a serious engine problem. It may also come on in error, for example, if the gas cap is loose.