Global Machinery Company Sierra 1999 - Manual (Page 307)

yellow blue
6-9
Hood Release
To open the hood, first
pull the handle inside
the vehicle.
Then go to the front of the vehicle and pull up on the
secondary hood release, located just to the passenger’s
side of the center of the grill.
Lift the hood.
Before closing the hood, be sure all filler caps are on
properly. Pull down the hood and close it firmly.