yea i've never even attempted to do so. i will say, since i've gotten my 7D. i haven't noticed any sensor dust and it's over a year old. whatever the sensor cleaning thing is that it does, apparently it's good at shaking the loose dust off.
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Patrick // 06 Frontier 6spd Nism osis // Mods: Uprev Tuned @ Z1 Motorsports: 257whp & 292 ft lbs
09 Pontiac G8 GXP // M6 // Sunroof // Tint... For now
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