Vauxhall Astra GTC Owner's Manual page 112

Lighting 111
■ Auxiliary heater
■ Heated rear window and mirrors
■ Heated seats
■ Fan
In the second stage a message which
confirms the activation of the battery
discharge protection will be displayed
in the Driver Information Centre.
Switching off electric lights
To prevent discharge of the battery
when the ignition is switched off,
some interior lights are switched off
automatically after some time.