Capless Fuel System

I'm not very familiar with cap-less systems but is there any thoughts that a system with a cap provides better protection keeping contaminants out of the fuel system since you can wipe the cap off prior to opening it ? Lexus designed this vehicle to spend time in the dirt.
 
I'm not very familiar with cap-less systems but is there any thoughts that a system with a cap provides better protection keeping contaminants out of the fuel system since you can wipe the cap off prior to opening it ? Lexus designed this vehicle to spend time in the dirt.
I’ll never do this lol
 
I always freak out when I pop open a capless fuel door on a new car and there's no cap. When I was in 7th grade, so about 12 or 13, I got a 3-day in-school suspension and to say I was in trouble at home is a severe understatement. My suspension started on a Monday and the weekend before, we were heading on a road trip. My dad made me fill up the station wagon with gas at the gas station and my dumb ass left the fuel filler cap on top of the station wagon. As we drove away my dad heard and saw it fly off roof when we pulled out of the gas station. I remember him looking at me almost with pity, like he was thinking maybe my problem was just that I was mentally handicapped. I have been scarred by gas caps.
 
I've never felt that having to deal with a fuel filler cap was an undue burden.

Neither are physical keys to unlock and start our vehicles but here we are connecting with strangers across the country with devices that fit in our pockets discussing our semi-luxury trucks.
 
I've never felt that having to deal with a fuel filler cap was an undue burden.
My BMW and my wife’s top end Merc has a fuel cap, I think it makes a huge difference to keeping out contaminant's, especially in dusty hot countries like Australia or the Middle East, the dust gets in everything. There is no way I would want a cap less fuel system on my GX here in Aus.
 
This is true - I haven't done any long trips yet in the GX but in my past trucks the amount of dust and grime that would build up in the fuel door area was impressive.
 
This is true - I haven't done any long trips yet in the GX but in my past trucks the amount of dust and grime that would build up in the fuel door area was impressive.
If the area is not positively pressured then the dust gets in, you should see some of the caravans when crossing Aus, they are covered with dust over everything…
 

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GX550 Poll

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