Originally Posted by motoguy128

Couple things...

Deep water is like driving on slippery ice. Your car probably died because your tires were hydro planing as you hit the brakes or from engine braking if you lifted the throttle... so you stalled the engine when the wheels stopped. The car will pretty much steer any direction it wants to in that situation depending on which wheel has the most traction.

If you can, it's best ot push in the clutch as you go through the water and rev the engine to keep it from drowning, then down shift and drive out keeping the revs up if needed. With higher revs, the engine is less likely to stall if the tailpipe is submerged.