Vauxhall Astra GTC Owner's Manual page 74

versions. Depending on the
equipment, the position of the control
indicators may vary. 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
white = confirmation of activation
Instruments and controls 73