What are the reasons why the auto start-stop doesn't work?
2 Answers
Reasons why the auto start-stop doesn't work: 1. The vehicle has not reached the minimum speed; 2. The engine or transmission has not reached the required operating temperature; 3. The outside temperature is not within the required operating range; 4. The gear shift lever is in a position other than D; 5. The battery is low. Situations where engine start-stop should not be used: 1. If the air conditioning is on, the start-stop function should not be used, as the engine will have to start within 10 seconds when the air conditioning is on, and the air conditioning will not cool, only blow air; 2. Do not use auto start-stop in traffic jams; 3. Do not activate the start-stop system on slopes, as when the brake is released, the car may slide, and the engine may not start in time, leading to insufficient braking power and potential danger.
I often notice the auto start-stop suddenly failing while driving, which is quite annoying! The most common reason is insufficient battery power. If the battery is aging or the weather is too cold, the system won't activate to protect itself. It also pauses when the air conditioning is set too high, as it prioritizes cooling or heating. Sometimes, if the seatbelt isn't properly fastened or the door isn't fully closed, the vehicle detects a safety risk and stops the function. I recommend checking the battery status first next time, try turning off the AC and restarting the engine. If it still doesn’t work, visit a professional shop to check if the sensor is dirty or the software needs an update—don’t delay too long, as it could affect your driving experience.
