- Lessen trim has a 7mm screw and T20 screw. Take out and pull down really hard. Not required to take out decrease trim for 2018's. 13razorbackfan reported: Also, I just did it a minute in the past, try out clicking the equipment icon or maybe the Mustang icon then https://sea-doo-jet-ski-features21962.acidblog.net/63150996/the-smart-trick-of-mustang-digital-dash-upgrade-that-nobody-is-discussing