What does the L gear in Buick mean?

2 Answers
BarrettFitz
07/24/25 3:47am
Buick's L gear stands for Low gear, which can be used when going uphill or downhill. Some older automatic transmission models have a 1st gear. When shifted into 1st gear, the automatic transmission can keep the gear in a lower position without shifting up. When climbing steep slopes, a lower gear should be used to ensure sufficient torque on the wheels, helping the car ascend smoothly. Similarly, when descending steep slopes, a lower gear should also be used to allow the car to utilize engine braking to reduce speed. The M gear represents the manual mode of the automatic transmission, which can be very useful in certain special situations. Buick is an automobile brand marketed by General Motors in the United States, Canada, and China, with sales in North America, China, CIS countries, and the Middle East.
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LeClayton
08/10/25 11:18pm
In Buick's automatic transmission vehicles, the L gear represents the low gear, which I commonly use when driving on steep slopes or long descents. It locks the transmission in a lower gear, providing stronger engine braking force to prevent the vehicle from rolling backward or overheating the brakes. For example, when climbing mountain roads, I rely on it to keep the car steady without shifting to higher gears, making the ascent more stable. Additionally, the L gear is useful when towing trailers or off-roading, as it reduces wear on the transmission. Don’t underestimate this setting—it also enhances control on rainy or slippery roads, improving safety. However, avoid using the L gear during normal flat-road driving, as it may increase fuel consumption and damage components. It’s recommended to switch gears promptly in such conditions to ensure smooth driving.
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