Vauxhall ASTRA Owner's Manual page 171

170 Climate control
Temperature preset
The left rotary switch can be used to set
temperatures between 16 °C and 28 °C.
For reasons of comfort, temperature can
only be changed in small increments.
Vehicles with Quickheat 3: depending on
the outside temperature and the engine
temperature the passenger compartment
is heated up more quickly using an
auxiliary electric heater.
The auxiliary electric heater switches itself
on automatically.
If a temperature below 16 °C is set,
Lo appears in the display: the climate
control system runs constantly at
maximum cooling power. The temperature
is not regulated.
If a temperature above 28 °C is set,
Hi appears in the display: the climate
control system runs constantly at
maximum heating power. The temperature
is not regulated.
The temperature settings are saved when
the ignition is switched off.
Climate
Air distribut.
AC
Autom. blower
Auto. recirc
Manual settings
Under certain circumstances (e.g. iced or
misted windows), the functions of the
climate control system can be modified
manually.
Climate control system settings can be
changed via the centre switch, the buttons
and the menus depicted on the display.
Press the centre switch to call up the menu.
The menu for manual climate control
system settings appears in the display.
Air distribut.
Individual menu items are marked by
turning the centre switch and selected by
pressing it. Selecting certain menus by
pressing the rotary switch will open a
submenu 3.
To exit a menu, turn the centre switch left
or right to Return or Main and select.
Manual settings are saved when the
ignition is switched off.