Why has my Suzuki Swift's oil warning light come on?

My 2014 Suzuki Swift has started to concern me as the amber oil warning light has started to come on. I have asked the main dealer for advice and they tell me that it is a service indicator as well as a warning light. Have you ever heard of such a combination before?
So when did the car last have an oil service? If more than 12 months ago, it needs one.
Answered by Honest John on

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