Chevrolet 2001 Silverado 1500 Pickup Owner's Manual page 147

Electrochromic Inside Rearview Mirror
with Compass and Temperature Display
(If Equipped)
When on, an electrochromic mirror automatically dims
to the proper level to minimize glare from lights behind
you after dark.
The mirror also includes a display in the upper right
corner of the mirror face. The compass reading and the
outside temperature will both appear in the display at the
same time. The dual display can be turned on or off by
briefly pressing either the TEMP or the COMP button.
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Temperature Display
The temperature can be displayed by pressing the
TEMP button. Pressing the TEMP button once briefly, will
toggle the temperature reading on and off. To alternate the
temperature reading between Fahrenheit and Celsius, press
and hold the TEMP button for three seconds until the display
blinks F _ and C _ . Press and release the TEMP button to
toggle between the Fahrenheit and Celsius readings. After
five seconds of inactivity, the display will stop blinking and
display the last selection made.
Press and release the TEMP button to toggle the
temperature display between Fahrenheit or Celsius. If an
abnormal reading is displayed, please consult your dealer.