Vauxhall Astra Owner's Manual page 150

Heate r controls
Left -hand rota ry swit ch: Temperature
Clock wise = Warmer
Anticloc kwise = Colder
148
Centre rotary switch: Fan
Four speeds:
x Off
4 Maximum airflow
The rate of airflow is determ ined by the
fa n. The fan should therefore a lso be
switched on during a journey.
Rig ht-hand rot ary swi tch: Air distribut ion
V to front windscreen and to
front side wind ow s
J to the windscreen,
door windows,
front and rear 3 footwell
K to front and rear 3
footwell
L to head area a bove adjustable
air vents and to front
and rea r 3 footw ells
M to head area v ia
adjustable air v ents
O pen the air vents when the switch is set to
L or M.