MACK - GRANITE (GU) - 2020 RSS 2020 MACK GRANITE (GU) EXTERIOR LIGHTING:TURN SIGNAL 2020 MACK GRANITE (GU) SUSPENSION:MULTIPLE AXLE 2020 MACK GRANITE (GU) ELECTRONIC STABILITY CONTROL:CONTROL MODULE:SOFTWARE 2020 MACK GRANITE (GU) VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR