2004 GMC Sonoma Owner's Manual - Page 72
2004 GMC Sonoma Manual
Page 72 highlights
Windows {CAUTION: Leaving children, helpless adults, or pets in a vehicle with the windows closed is dangerous. They can be overcome by the extreme heat and suffer permanent injuries or even death from heat stroke. Never leave a child, a helpless adult, or a pet alone in a vehicle, especially with the windows closed in warm or hot weather. Manual Windows Turn the hand crank on each door to raise or lower your manual side door windows. 2-12
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