Should the Auto Start-Stop Function Be Turned Off on Rainy Days?

1 Answers
LeEmilio
09/07/25 4:57am
It is advisable to turn off the auto start-stop function of your car on rainy days. Reasons to turn it off on rainy days: Roads may accumulate water during rain. If the auto start-stop function is enabled, the car will automatically shut off when braking. Releasing the brake could cause the engine to restart in water. If the water depth exceeds the height of the engine's air intake, the engine may ingest a large amount of water. Since water cannot be compressed, restarting the engine after water ingestion can lead to severe damage, such as bending the valves and connecting rods, or seizing the pistons, potentially causing permanent engine failure. Introduction to the auto start-stop function: The start-stop function is enabled by default when the ignition is turned on. To disable it, you must use the start-stop switch after turning on the ignition. However, once the ignition is turned off and then back on, the start-stop function will be enabled again. It cannot be permanently disabled. Precautions for driving in the rain: Reduce speed and drive cautiously. Turn off the auto start-stop function inside the car. Even if the water level does not initially reach the engine's air intake, waves caused by other vehicles could suddenly raise the water level, increasing the risk of water ingestion.
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