ℹ
info Chevrolet
Status : (Rear Window Defogger)
Button used to activate the rear window defogging function.
? What Causes This
Control for enabling rear window heating to clear fog or frost.
ⓘ What This Means
Refer to text for instructions on how and when to use it.
Source: page 164 of the official manual
From the manual
This error code appears in:
Chevrolet 2010 Impala