The CVT is made by Jatco, now part owned by Nissan, Mitsu and Suzuki. Fluid change is determined by type of use, granny shopping, 60,000km, Trans driving, 30,000km, that info is out there. The correct fluid is paramount for longevity.
Can't say I have ever been on mountain roads, but the kickdown works OK, and sports mode gets it moving, plus the 2 stage gearing is an improvement on previous offerings..????