Chevrolet Beat diesel Owner's Manual page 72

68 Lighting
LIGHTING FEATURES
Battery Power Protection
Switching off electric lights
Battery saver is to prevent the battery
from being discharged.
If you open the driver's door, parking
lamps are turned off automatically
when the ignition is switched to LOCK
or ACC position.
The headlamps are turned off, when
ignition is switched to LOCK or ACC
position.
The courtesy lamp will not be applied
with this function.