I don't recall the exact wording in the owner's manual, but to me it wasn't clear when the mirror heat is on based on my read of the manual. But, one uncalibrated hand tells me that the heat is on when the knob is in the center position, which agrees with most posts on the forum for cars with power windows. VW dropped the ball on this,
as well as the stupid trunk latch design on the Jetta Wagon and Golf.
For the trunk, keep it simple with a mechanical latch which can be locked or unlocked, and when unlocked can either be latched(closed) or opened by pressing a button, lever etc. VW, you had it right on my parents 1962 bug and 1965 bus. My buddy's 1991 GTI has it right too. So much for advancement. Now we have a frustrating design, i.e. can't leave the trunk/hatch "unlocked" so that you can open without the key or without pushing button on drivers door and a design that is more likely to break.
On the mirrors, they should have done one of the following:
Provide a heater feature that times out after about 10 minutes (again my parents 1979 Plmouth Horizon (with VW 1.7 engine/4 speed manual) had that for the rear defrost, not complicated technology.
OR
Provide a dash light which indicates when it's on, along with a appropriate warning in the owners manual that leaving it in the middle position for longer than XX minutes will burn out the heater elements.
OR
Design them so they can be left on (even if inadvertenly) without them burning out.
I'm very pleased with the engine/trans/suspension and overall driving quality of this car, but the above two items, as well as a radio which apparently failed after less than 3000 miles has me wondering if I'd buy another one. Hopefully by the time I need a new car, Mercedes is back in this country with a nice diesel.
Later