HONDA 2007 Ridgeline - Owner's Manual - Manual (Page 136)

The climate control system has two
sensors. A sunlight sensor is in the
top of the dashboard, and a
temperature sensor is under the
steering column. Do not cover the
sensors or spill any liquid on them.
On RTS, RTL, and Canadian EXL
models
Climate Control Sensors
Sunlight and Temperature
Sensors
132
SUNLIGHT SENSOR TEMPERATURE SENSOR
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