The 15-Minute Remote Start Trap: Why Winter Idling Slowly Damages Modern Engines (And the 60-Second Drive-Off Rule)
Every winter, millions of drivers idle their cars for 15 minutes thinking it protects the engine. In reality, extended cold idling on modern fuel-injected vehicles washes protective oil off cylinders, dilutes motor oil with raw fuel, and rusts mufflers from the inside. Here is the mechanical truth behind winter warm-ups—and the 60-second drive-off rule engineers actually recommend.