LS Panel;Diag Ref #5; Vendor-;; Qty needed per vehicle- 1. more 2011 Chevrolet HHR LS Panel Wagon 2-Door 2.2L 2198CC 134Cu. l4 FLEX DOHC Naturally Aspirated. LS;Diag Ref #5; Vendor-;; Qty needed per vehicle- 1 ;[Back. more 2011 Chevrolet HHR LS Wagon 4-Door 2.2L 2198CC 134Cu. ].