Opel Vivaro Manual page 64

64 Instruments and controls
Control indicators
The control indicators described are
not present in all vehicles. The
description applies to all instrument
versions. When the ignition is
switched on, most control indicators
will illuminate briefly as a functionality
test.
The control indicator colours mean:
red = danger, important
reminder
yellow = warning, information, fault
green = confirmation of activation
blue = confirmation of activation