What are the running-in tips for new automatic transmission cars?

2 Answers
VanEliza
07/25/25 10:24am
Running-in tips for new automatic transmission cars are as follows: 1. Pay attention to the running-in mileage: The running-in mileage for new cars is generally 1,000 to 3,000 kilometers. 2. Emphasize warming up the car: Do not start driving immediately after starting the car; wait until the water temperature reaches the normal temperature before moving. 3. Vary the speed: Avoid maintaining a constant speed for extended periods. Unlike manual transmission cars where you can select specific gears for running-in, automatic transmission cars can only achieve this by continuously varying the speed. 4. Avoid heavy loads during running-in: During the running-in period within the specified mileage, try to drive with no load or light loads and avoid full loads. 5. Check equipment: Before hitting the road, test all the gauges to ensure they display normal functions for all parts.
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GeorgeRose
08/11/25 7:41pm
Running-in is particularly important for automatic transmission cars. I recommend driving gently for the first 1,000 kilometers. The key is to allow the engine and transmission to gradually adapt—avoid sudden acceleration or hard braking, keep RPM below 3,000, and maintain a steady speed of 80-100 km/h. Why? New internal engine components need time to break in; aggressive driving can prematurely wear pistons and bearings, affecting long-term performance. Regularly check engine oil level and cleanliness, and perform the first oil change around 500 km to flush out contaminants. Also avoid towing heavy loads or long uphill drives to reduce transmission stress. Proper break-in improves fuel efficiency and extends engine life by years. New drivers should note: after the break-in period, get a full inspection at the dealership—it's a small cost that pays off.
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