1995 GMC Sonoma Owner's Manual - Page 225

Before closingthe hood, be sure all the filler caps areon properly. Then lift the hood to relieve pressure on the hood Prop. Remove the hood prop from the slot in the hood and return the prop to its retainer. Then just pull the hood down firmly to close. It will latch when dropped from 10 - 12 inches (25.5 30.48 cm) without pressing on the hood. - 6-7