another gas topic....i put that gas treatment in my older cars, but was wondering, when/if I should use it in the tC? I'm almost at 6000 miles...and was thinking of putting it in, so the car has no chance of buildup ? good or bad idea you think?

 

you dont really need to use that, till you hit about 40k

i would not use it, The cars new...

 

i wouldnt be adding additives to your car. the only thing i might consider is a fuel injector cleaner every oil chang and that is it. there might be a higher chance of build up because we can use a low octane gas but that would be for the only reason. also when you get an oil change never ever do the "engine oil cleaner" you will know what i mean when you get an oil change the cleaner strips the oil left over in your cylinders when you change your oi; so naturally when you start your car after the change the pistons will be rubbing against metal with out any oil for a few seconds plus any left over oil cleaner will change the vescosity of your oil