The handle for my lacrosse is way under there as well.....while i have not had my knee replaced as my ortho says im too young, i find that sending my 15 year old son under there works well..lol...
But in all seriousness, there are remote dump valves available where you just hit a button located somewhere easy to reach.
2015 F350 Platinum Fx4 6.7 Diesel Dually. B&W turnover, B&W Companion, air bags and wireless controller.
2015 Heartland Road Warrior 420 Rt
2012 f250 Fx4 6.7 Diesel crew cab tinted n tuned
2012 lacrosse 318bhs touring- sold