32 inches
That's 81cm. Up to! That means, you need to stay below that. Since no natural body of water has completely even ground this effectively means if deeper than knee-deep you risk your battery exploding.
Something I'm sure any normal truck could handle without an extra mode.
I mean EVs are better of course, but why make a truck that is too low and probably has the battery at the bottom like normal Teslas do... Why, oh why, Elon. Choke on your stupid business decisions and unsold bad quality products.