2003 GMC Sonoma Owner's Manual - Page 88
2003 GMC Sonoma Manual
Page 88 highlights
Windows Leaving children in a vehicle with the windows closed is dangerous. A child can be overcome by the extreme heat and can suffer permanent injuries or even death from heat stroke. Never leave a child 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. 2-13
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