TATA Motors Sumo Gold CR-4 Owner's Manual & Service Book page 60

HANDLING
Once temperature inside has come down sufficiently, close
the windows and change air circulation suitably to fresh/
recirculation.
Demisting :
In rainy season or in areas of high humidity, mist formation
inside windshield glass is observed. To clear mist
dehumidified air is passed on the windshield glass.
The position of control knobs should be adjusted as follows:
A.C. - ON
Knob 'B' - Desired speed position
Knob 'C' - Towards windshield
Knob 'A' (for vehicles fitted with HVAC) - at suitable temperature
Air circulation - at suitable position
NOTICE
When mist gets cleared switch the knob "C' position to
Face mode. In high humidity areas, if cold air continues
to flow over windshield, it may cause sudden fogging on
outside surface of windshield.
60
Defrosting : (For vehicles fitted with HVAC unit)
In low temperature areas, to clear frost formation outside
the windshield glass, this setting is used.
First start the engine - Maximum hot position
& accelerate to warm
up.Knob 'A'
Knob 'B' - Very High
Knob 'C' - Towards windshield
Switch 'E' - Fresh air mode condition
Once the windscreen has become clear, move the fan
switch to desired speed.
NOTICE
Electric heater coil is provided for demisting of tail gate
glass for deluxe versions.
Normal Heating : ( For vehicles fitted with HVAC )
Knob 'A' - Suitable temperature position
Knob 'B' - Suitable blower speed
Knob 'C' - Towards face & feet
A.C. - OFF
Air Circulation- Fresh switch
AIR CONDITIONING