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What is the fuel consumption of the 2021 LaCrosse 2.0t?

3 Answers

OAshlyn

09/03/25 7:17am

The fuel consumption of the 2021 LaCrosse 2.0t is 8L/100KM. Below is the relevant introduction of the 2021 LaCrosse: 1. Dimensions: The car has a body size of 5026/1866/1462mm, a wheelbase of 2905mm, and uses 235/50R18 tires. 2. Transmission: The LaCrosse is equipped with a 9-speed Hydra-Matic intelligent transmission, developed with global resources from General Motors and applying over 60 patented GM technologies. The 9 forward gears have a dense and reasonable gear ratio distribution, ensuring smooth and seamless shifting.

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AdamAnn

09/15/25 8:40am

I've been driving a 2021 Buick LaCrosse 2.0T for over a year now, with an average combined fuel consumption of around 8.5 liters per 100 kilometers. During daily city commutes, fuel consumption can spike above 10 liters in heavy traffic, but on highways with cruise control set at a steady 100 km/h, it drops to approximately 7 liters. Multiple factors affect fuel efficiency—for instance, driving habits: I practice gentle acceleration and minimal hard braking to save fuel. Vehicle condition also matters; maintaining proper tire pressure at 2.4 bar and regular air filter replacements improve efficiency. Using AC in summer adds about 0.5 liters, while cold starts in winter consume more fuel, so I try to minimize these. Overall, the 60-liter fuel tank delivers 600-700 km per fill, which I find reasonably economical and hassle-free.

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DelCameron

10/30/25 2:30am

As an enthusiast who frequently tests cars, I'm very familiar with the fuel consumption of the 2021 Buick LaCrosse 2.0T. The official combined fuel consumption rating is 7.9 liters per 100 kilometers. My actual test data shows an average of 9.2 liters in urban conditions and 7.1 liters on highways, with significant fluctuations due to driving style and environmental factors – for example, aggressive acceleration increases fuel consumption rapidly, while smooth traffic conditions save fuel. Technically, this car uses a 2.0T turbocharged engine paired with a 9-speed automatic transmission to improve fuel efficiency. During maintenance, it's important to check the spark plugs and fuel system cleanliness, otherwise fuel consumption may be higher. Compared to similar-class vehicles like the Accord or Passat, the LaCrosse's fuel consumption is slightly above average, but it offers strong power, making it a balanced choice. Using the cruise control function can optimize fuel consumption by about 10% during driving.

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What causes the ABS light to illuminate in a Sylphy and how to troubleshoot it?

ABS light illumination can occur in various states, with different causes and solutions for each state. Details are as follows: State 1: ABS warning light remains constantly illuminated (most common). Cause 1: The ABS wheel speed sensor's sensing area is covered by dirt, mud, or other contaminants, affecting its ability to detect the corresponding speed signal. This prevents the ABS control unit from determining the vehicle speed and calculating wheel slip rates, thus failing to issue appropriate commands for brake adjustment. Solution: Clean contaminants from the wheel speed sensor and adjust the gap between the sensor and the signal ring to restore normal function. Cause 2: Poor signal transmission due to loose system wiring connections or faulty ABS relay contacts. Solution: Inspect wiring connections and reconnect any loose terminals. State 2: ABS warning light illuminates intermittently, turning off during acceleration. Cause: When multiple electrical components are in use, battery voltage drops below 10.5V. The light extinguishes when engine speed increases and voltage rises. This may also indicate insufficient power supply voltage to the ABS system due to poor terminal contact or grounding issues. Solution: Check battery specific gravity; inspect charging system; examine power supply components (such as voltage relays or poor power connections). State 3: ABS warning light remains illuminated after engine start until engine IGFF position. Cause: Poor grounding connection of ABS hydraulic valve body; faulty wiring harness connector of ABS hydraulic valve body; ABS control unit malfunction. Solution: Loosen and retighten the hydraulic valve body ground screw, cleaning contact surfaces if necessary; check for enlarged connector gaps; replace ABS or ABS/ASR control unit. State 4: ABS warning light illuminates during high-speed driving. Cause: ABS control unit detects excessive speed difference between rear and front wheels; incorrect tire specifications or incorrect wheel rim specifications. Solution: Verify proper tire and wheel rim specifications according to vehicle requirements, referencing the label near the fuel filler cap. State 5: ABS warning light illuminates intermittently. Cause: Improper brake light switch adjustment; internal contact failure in brake lights. Solution: With engine running, depress brake pedal and manually push the brake switch linkage downward completely, then release pedal to complete self-positioning; replace brake light switch if necessary. When the ABS warning light is illuminated, it's recommended to avoid continued driving. An illuminated ABS light indicates malfunction in the anti-lock braking system. During emergency braking, locked wheels may cause loss of vehicle control and skidding, preventing the driver from decelerating or adjusting vehicle trajectory, posing significant safety risks.

What are hazard lights?

Hazard lights refer to the warning lights that alert surrounding vehicles not to approach. When a car malfunctions, the hazard lights should be activated. All vehicles are equipped with hazard lights, and when turned on, both the left and right turn signals will flash simultaneously to warn others. The correct usage of hazard lights is introduced as follows: Temporary parking: On highways, dangers can lurk at any moment. If a car breaks down unexpectedly, it becomes a highly hazardous situation. In such cases, the vehicle should be pulled over to the roadside, and a warning triangle should be promptly placed behind the car. Additionally, the hazard lights must be turned on. This is primarily to alert approaching vehicles that there is a malfunctioning car ahead, prompting them to slow down and detour. Driving in fog: When driving in thick fog, heavy snow, or torrential rain, visibility is often extremely low. When visibility drops below 100 meters, it is crucial to turn on the hazard lights, as these conditions pose significant risks. Towing a malfunctioning vehicle: When a car breaks down, it usually requires a tow truck to transport it to a repair shop. In such situations, the hazard lights must be activated on both the malfunctioning vehicle and the towing vehicle. Since the towed vehicle cannot be maneuvered flexibly, the speed should be reduced to a minimum, and surrounding vehicles should be constantly reminded to yield.

What is a Permanent Fault Code?

A permanent fault code in a vehicle is a type of malfunction that affects the operation of the equipment and cannot be resolved without taking specific measures to restore normal operation. Permanent fault codes in vehicles cannot be deleted or overwritten unless the manufacturer is contacted, and professional technicians modify the vehicle's onboard computer program to remove the code. In reality, if a car displays a permanent fault code, it is necessary to visit a 4S shop or a professional auto repair shop. There, a technician can connect a diagnostic computer to the vehicle to read the fault code and determine the exact issue. Only by identifying the problem can it be properly repaired. Automotive fault codes are codes generated by the vehicle's ECU (Engine Control Unit) after analyzing a malfunction. When these codes appear, the vehicle has a fault, and the fault indicator light remains illuminated. To fully resolve the issue, a professional diagnostic tool (such as a K81 or laptop) is required to decode and clear the fault—commonly referred to as troubleshooting. Fault codes are categorized into active codes, historical codes, and intermittent codes. Active codes are easy to detect, historical codes refer to previously unresolved faults that were not cleared, while intermittent fault codes are not consistent.

How to Fix a Non-Rotating Rear Wheel of a Car?

Step on the accelerator hard, and as long as the rear wheel moves, it should be fine. The second method is to remove the tire and then loosen the contact surface between the brake disc and brake pad. Use the onboard tire removal wrench on any of the wheel bolts of the stuck wheel, and twist forcefully—direction doesn’t matter—to force it to rotate once. If the temperature of the brake disc and brake pad exceeds the ambient temperature, stopping immediately after encountering water can cause rapid cooling, leading to rust on the surfaces of both components and resulting in the rear wheel becoming stuck.

How long to wait after car window tinting before installing ETC?

You need to wait one month after car window tinting before reinstalling the ETC. ETC working principle: Through the on-board electronic tag installed on the vehicle's windshield, dedicated short-range communication is established with the microwave antenna in the ETC lane at toll stations. This utilizes computer networking technology to perform background settlement processing with banks, achieving the purpose of vehicles passing through highway or bridge toll stations without stopping while still paying the fees. ETC usage precautions: The ETC transaction sensing range is 8 meters. When encountering a stationary vehicle ahead, maintain a distance of over 10 meters to prevent automatic fee deduction for the preceding vehicle in case its ETC device malfunctions or is absent. The recognized speed for ETC lane passage is 20km/h. Excessive speed may prevent reading vehicle device information, leading to failed fee deduction. Unauthorized removal or displacement of OBU devices, or detachment/loosening of ETC electronic tags will cause tag deactivation. These can be taken to the bank where the ETC card was issued or highway service offices for inspection. Non-deliberate loosening or detachment only requires reactivation. When using debit cards bound to ETC, insufficient balance may cause fee deduction failure. Follow on-site staff guidance to use manual MTC lanes with cash or card payment. Excessively thick windshields may cause poor signal reception. This is particularly noteworthy for vehicles that have had windshield replacements after accidents or modified front windshields.

Will a deduction of 6 points during the probationary period of a driver's license extend the probationary period?

A and B class driver's licenses: If more than 6 points are deducted during the probationary period, the probationary period will be extended by one year. If more than 6 points are deducted again within the extended year, the license will be directly revoked. Therefore, it is best not to accumulate 6 points during the probationary period for A and B class licenses. For C class licenses and motorcycle driver's licenses, as long as the points do not reach 12 during the probationary period, the probationary period will not be extended. Accumulating 12 points will result in the immediate revocation of the license. Details are as follows: 1. C class driver's license: A deduction of 6 points during the probationary period of a C1 driver's license will not affect the probationary period, as long as the violation is promptly addressed and the fine is paid. The points will be cleared at the end of the scoring cycle. For C class licenses and motorcycle driver's licenses, as long as the points do not reach 12 during the probationary period, the probationary period will not be extended. Accumulating 12 points will result in the immediate revocation of the license. To drive again, one must reapply and retake the driver's license test. Therefore, it is crucial not to accumulate 12 points during the probationary period for C class licenses. 2. A and B class driver's licenses: For A and B class driver's licenses, if more than 6 points are deducted during the probationary period, the probationary period will be extended by one year. If more than 6 points are deducted again within the extended year, the license will be directly revoked. Therefore, it is best not to accumulate 6 points during the probationary period for A and B class licenses.

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