TATA Motors Sumo Gold CR-4 Owner's Manual & Service Book page 61

AIR CONDITIONING HANDLING
Roof A. C.
Where roof mounted air conditioner unit is installed, the
blower switch has 4 positions "HIGH", "MED", "LOW" and
"OFF". The switch is located on left hand side on the roof
A.C Air flow direction can be adjusted by adjusting the air
vents. The roof A.C. can be switched 'ON' provided the
front A.C is 'ON'. However, the blower of the roof A.C unit
can be operated independently.
Roof AC
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