Are chevrolet spark cars sold in the UK fitted with tyre sensors ?.
I'm pretty sure that TPMS wasn't offered in the UK, but I could be wrong! You might want to try the Spark forum of the Chevrolet Owners Club (http://www.chevroletownersclub.co.uk/)... they maybe able to help with some of your questions on the Spark.
That would explain why no warning light is displayed when I start the engine many thanks.
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