1993 GMC Suburban Owner's Manual - Page 46

If thebeltisnotlongenough,see"SafetyBeltExtender"' thissection. at theendof on the buckle faces upward or outward ..so. you would be. able to unbuckle it quickly if you ever had to. Make sure the release button . . AM147096 Q To makethelapparttight, pulldownonthebuckleend you pull uptheshoulderpart. of thebeltas AM120007 Thelappartof the belt should be low and snug on thehips,justtouching thethighs. In a crash, this applies force to the strong pelvic .bones. And you'dbelesslikelytoslideunderthelapbelt. I youslidunderit,thebelt f 1-32