The low tire pressure indicator should indicate which tire is low. (truecar.com)
A boost pressure indicator features in the centre of the panel, as do an oil temperature gauge, g - force meter and lap timer. (motoring.com.au)
Normally it needs to be check with pressure indicator but still you can check if fuel exist in the pressure line (there should be a small valve similar to the tire valves). (mechanics.stackexchange.com)