Never Do THIS Before Refuelling (90% Get it Wrong)

Pull up to the pump, shut the door, grab the nozzle. You've done it a thousand times and never thought twice. Most drivers refuel on autopilot, and that's exactly when the mistakes happen. Amigo, filling the tank isn't the problem. The habits you bring to the pump are. I'm Carlos, a Mexican-American mechanic, and today I'll show you what you should never do before refuelling, and the simple routine that keeps you and your car out of trouble. In this video: • The common mistake drivers make right before they start fuelling • Why the engine should be OFF before the nozzle goes in • Static electricity at the pump, and why you touch bare metal first • Why getting back in the car halfway through the fill can be a bad idea • NEVER keep squeezing after the nozzle clicks off • Why topping off the tank does more harm than good • Why a fuel cap that isn't tightened properly causes problems • Running the tank too low and what it can do to your fuel pump • The simple routine to follow every single time you fill up No fancy products to sell you, no gadgets, no magic additives. Just the habits mechanics have followed for years. A few seconds of doing it right at the pump can save you a lot of trouble down the road. Tell me in the comments what car you drive, what year it is, and what you always do before you start fuelling. I read every one.