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What is the reason for an automatic transmission car not moving when the brake is released?

2 Answers

Lily

07/29/25 5:55pm

Automatic transmission car not moving when the brake is released is due to: 1. On very steep slopes, it is normal for an automatic transmission car not to move when the brake is released. Due to inertia, the resistance increases, and the vehicle needs forward power greater than the resistance to move; 2. Some car models have transmission settings where the car won't move without pressing the accelerator, even if the gear is in D. The car will automatically cut off the power connection, equivalent to being in neutral; 3. Malfunction in the transmission system or throttle. Other gears of an automatic transmission car include: 1. P gear is the parking gear, start gear; 2. R gear is the reverse gear; 3. N gear is the neutral gear; 4. L gear is the low gear; 5. S gear is the sport mode.

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SanJeremiah

08/14/25 9:45am

Recently, while driving an automatic transmission car, I encountered a situation where the car didn't move after releasing the brake, which made me quite nervous. The most common reason is forgetting to release the electronic handbrake, such as when the handbrake automatically engages upon starting in a parking lot but failing to notice the indicator light on the dashboard. Additionally, the gear might not be in the D (Drive) position; mistakenly shifting into N (Neutral) or P (Park) will prevent the car from moving. Another possibility is a minor issue with the brake system, such as a slow-reacting sensor causing the transmission not to receive the signal, or the car battery being low on power upon startup, preventing the engine from fully engaging. If this happens, don't panic. First, check the handbrake light and gear display. If everything seems normal, try restarting the engine. For safety, it's recommended that beginners familiarize themselves with dashboard prompts to avoid sudden stops that could lead to flustered reactions or even rear-end collisions on the road. It's better to pull over first and carefully inspect the situation.

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