TATA Motors Indigo eCS Owner's Manual & Service Book page 66

BEFORE DRIVING
C. Air Direction Control Knob :
The air flow can be changed by turning the switch (C) to the desired
direction.
Towards face
Towards face and feet
Towards feet
Towards feet and windshield
(Recommended for clearing fogging on windshield)
Air demist / defrost windshield
(Recommended for clearing heavy fog and snow)
D. A.C. ON/OFF Switch :
The A.C. can be switched 'ON' by pressing the switch (D) on the A.C.
control panel provided the blower is `ON' and the engine is running.
The indicator lamp will show that the A.C. is `ON'.
64
HEATING, VENTILATION & AIR CONDITIONING
Blower Speed Control Knob
D
Indicator
A.C. ON / OFF Switch