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Which gear should be engaged when warming up an automatic transmission car?

1 Answers

McLorenzo

07/30/25 12:55am

When warming up an automatic transmission car, you should engage the P (Park) gear. The reasons are as follows: 1. For automatic transmission models, when the vehicle is just started, idling to warm up requires engaging the P gear. After one minute, drive slowly at low speed for a period of time to allow the steering system, braking system, differential system, suspension system, etc., to properly "warm up" and achieve corresponding relief and recovery, avoiding abnormal wear due to insufficient lubrication of these parts. This is also beneficial and harmless to the various mechanical systems of the vehicle. 2. The P gear is safe enough as it locks the tires, and the engine speed is slightly higher in P gear, allowing the car to warm up faster. Precautions for warming up an automatic transmission car: 1. The warm-up time should not exceed one and a half minutes, and after starting, the engine speed should be around 2500 rpm. Drive slowly for a period of time before driving normally. 2. Automatic transmission cars can only be started in P or N (Neutral) gear; warming up is not possible in other gears.

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