Correct Usage Method of Q5L Auto Start-Stop?

[LaLawson]

q5l automatic start-stop correct usage method is: 1. Locate the start-stop function button of the Audi Q5L vehicle, which is located behind the center control lever; 2. Use the mechanical button, when you need to turn it off, after the vehicle is powered on, simply press the corresponding button. The auto start-stop function is: 1. Automatically controls engine shutdown and startup; 2. Reduces emissions and improves fuel economy; 3. Reduces the time the engine idles, and after the engine shuts down, its power supply can replace the pulley to provide operating power for the engine cooling fan and the in-car air conditioning. Precautions for auto start-stop are: 1. Quickly shift to P gear when the engine stops and release the brake; 2. Reduce current consumption; 3. Do not repeatedly press the brake when the engine is off; 4. Bring the engine speed to zero, engage the starter gear before restarting; 5. Do not enable the auto start-stop system during low-speed parking or when the air conditioning is on.

[StGeorge]

When I first got the car, I didn't understand how the start-stop function worked, but I figured it out later. The Q5L's automatic start-stop mainly helps us save fuel when waiting at traffic lights or during temporary stops. The operation is quite simple: when driving normally and encountering a red light, step on the brake to bring the car to a complete stop. At this point, the system automatically turns off the engine, and the dashboard will display that the start-stop is activated. When the light turns green, release the brake or lightly tap the accelerator, and the engine will restart to continue driving. The key is to keep the brake pressed until the car comes to a complete stop; otherwise, the system won't trigger. It's recommended to turn it off during long-term traffic jams or slow crawls, as frequent starts can indeed be a bit annoying. Remember to check the start-stop button light on the center console every time you drive—if the light is on, it means the function is active, and pressing the button once will turn it off. This function does save fuel; I've tested it, and it can reduce city driving fuel consumption by about 10% when activated.

[LeDeclan]

When driving the Q5L, I noticed that the auto start-stop function needs to be used in coordination with brake pressure. Lightly pressing the brake at a red light won't trigger the start-stop; you need to press slightly harder to bring the car to a complete stop before the engine shuts off. To restart, simply release the brake pedal without needing to press the accelerator. In summer with the AC on, be aware that if the cabin temperature hasn't reached the set value, the start-stop might be delayed as the system prioritizes cooling performance. Remember to manually disable start-stop via the button when crossing waterlogged areas in rainy weather to prevent potential engine damage from sudden restarts in water. This feature does help save fuel, especially in urban traffic with frequent stops at traffic lights.

[LeSteven]

The start-stop function of the Q5L is quite intelligently designed. The vehicle automatically shuts off when it detects a complete stop and meets the conditions, and restarts immediately when the brake is released. The key is to ensure that the seat belt is fastened and all doors are closed, otherwise the system won't work. Low battery voltage or excessive steering wheel rotation angle will also disable the start-stop. Personally, I recommend manually turning it off in congested areas, as frequent start-stop can affect the driving experience. If you want to permanently disable it, it defaults to on after each startup, and you'll need an OBD device to access hidden settings. Proper use can indeed reduce fuel consumption; my daily 20-kilometer commute saves nearly a liter of fuel.

[DeGabriela]

After driving the Q5L for over a month, I've come to appreciate the fuel-saving effect of the start-stop function the most. The correct usage is simple: when encountering a red light, press the brake pedal firmly until the vehicle comes to a complete stop, and the engine will automatically shut off. To restart, just release the brake pedal. It's important to note that the start-stop function won't work if the steering wheel isn't straightened. Frequent start-stop cycles put a significant load on the battery, so it's recommended to check the battery's condition annually. During prolonged traffic jams, it's advisable to turn off the function, as continuous shutdowns and startups can indeed feel a bit jerky. The start-stop function is inhibited when the temperature difference set for the air conditioning exceeds 4 degrees, which is to protect the compressor. With proper use, it can reduce fuel consumption by 5%-8%.

[JoannaLee]

As a Q5L owner, I have studied the working logic of the start-stop function. The correct procedure is to press the brake pedal firmly when coming to a complete stop to trigger engine shutdown, and release the brake to restart immediately. The system automatically disables during reversing to avoid frequent shutdowns. While driving, the start-stop function adjusts automatically based on data such as air conditioning status and battery level. For example, it will not operate when the battery level is below 70%. It is recommended to turn off the start-stop function on slopes to prevent rolling back when starting. The most worry-free approach is to combine it with driving modes—setting it to Eco mode makes the start-stop function more active. In low winter temperatures, the start-stop triggering time becomes shorter, which is normal. Normal use will not damage the vehicle and can effectively reduce idle fuel consumption.