my brand new volvo has auto tire pressure monitoring. question: how accurate? on 2012 Volvo XC70

If the light comes on, which tire is affected and how dangerous is it to drive?

Asked by for the 2012 Volvo XC70
most new cars tell you which tire is low like rt frt or left rear. your tires should be above 38 psi always. it could be dangerous if its really low so ck asap
thanks, I'll check each tire, since it shows a light with either LOW or FILL NOW, which, I gather, must be an emergency! It just doesn't specify which tire.
ck spare tire also
VERY good point, thanks!
1 more answer
it wont tell you which tire, but you should check them is not necessarily dangerous unless it is really low....