I can't test this now. But try this:
if(iSAR(Symbol(),0,0.02,0.2,0) > Close[0])
if(iSAR(Symbol(),0,0.02,0.2,1) > Close[1])
if(iSAR(Symbol(),0,0.02,0.2,2) > Close[2])
OpenSell()
if(iSAR(Symbol(),0,0.02,0.2,0) < Close[0])
if(iSAR(Symbol(),0,0.02,0.2,1) < Close[1])...