1997 Chevrolet Astro Owner's Manual - Page 266

: : Remove the hood prop from the slot in the hood and return the prop to its retainer. Then just pull the hood down and close it firmly. Lift the hood, release the hood prop from its retainer and put the hood prop into the slotin the hood. on Before closing the hood, be sure all the filler caps are properly. Then lift the hood to relieve pressure on the hood prop. 6-10