Mazda calls it i-stop, and plenty of CX-30 owners call it something less polite. The system shuts the engine off every time you come to a stop, then fires it back up when you lift off the brake. Mazda designed it to save fuel, and it does, but only a little. What it actually does… read more

If you own a Mazda CX-90, there’s a good chance the auto start/stop system (Mazda calls it i-stop) is already annoying you. Every time the car shuts the engine off at a red light, you get a slight shudder, a brief hesitation when the light turns green, and that constant reminder that your car is… read more

The Mazda CX-50’s i-stop system shuts the engine off every time you come to a complete stop, and for a lot of drivers, it gets old fast. The jolt when the engine restarts, the slight hesitation before pulling away, the vibration at idle while you’re waiting at a long red light. It’s an irritant that… read more

If you own a Mazda CX-5 with Mazda’s i-stop system, you already know the routine. You press the i-stop off button on the dashboard, enjoy a smooth drive without the engine cutting out at every red light, and then start the car the next morning only to find the system has reset itself back on.… read more