Browse

Property For Sale Property For Rent

Used Cars Others

Antiques Collectibles Apparel Baby Kids Items Books， Movies And Music Electronics Free Stuff Garden Outdoor Health Beauty Home Goods Home Improvement Supplies Musical Instruments Office Supplies Others Pet Supplies Sporting Goods Ticket Toys Games Transportation

Business Crafts Design And Web Events Home Improvement Legal Lessons Personal Pets Photography Repair And Technical Support Wellness Writing， Translation， And Transcription Others

Activities & Groups Artists & Musicians Classes & Lessons Events Friendship & Networking Lost & Found Rideshare Sports Teams Volunteers Travel & Travel Partners Skills & Language Swap Other

What is the M gear function of the Buick GL8?

2 Answers

MacAlaina

07/30/25 1:20am

M gear is the manual shifting mode of an automatic transmission. How to use M gear: When the vehicle's gear lever is in M gear, there are '+' and '-' signs next to the gear lever. After shifting into M gear, pushing towards the '-' direction will downshift, and pushing towards the '+' direction will upshift. Functions of M gear: The manual mode allows the driver to shift up or down manually. When descending long or steep slopes, the manual mode can lock the transmission in a lower gear. If relying solely on the braking system to slow down during long or steep descents, it may cause the braking system temperature to rise rapidly, leading to heat fade or loss of braking power. When climbing steep or long slopes, the manual mode can also be used to stay in a lower gear, providing greater vehicle torque and making it easier to climb.

Was this review help?

17

4

Share

LauraMarie

08/15/25 6:58am

After driving a Buick GL8 for several years, I've gained quite some experience with its M mode function. Essentially, it's the manual shift mode that allows me to manually control gears within the automatic transmission. During long-distance drives, especially when descending steep mountain slopes, I switch to M mode to downshift. This engages engine braking to assist with deceleration, preventing brake overheating and significantly enhancing safety. When overtaking on highways, manually dropping to a lower gear raises the engine RPM for more responsive acceleration. However, it's crucial to avoid prolonged high-RPM operation as it increases fuel consumption and may harm the transmission. The manual gear control also proves useful in slippery rainy conditions or when climbing slopes with heavy loads, providing better vehicle stability. In summary, M mode adds flexibility to MPVs like the GL8, but should be used judiciously – it's a confidence booster in critical driving situations.

Was this review help?

17

1

Share

Expand All

More Forum Discussions

Should a Dash Cam Have Front and Rear Recording or Just Front?

Dash cams with front and rear recording systems are mostly rearview mirror dash cams. These dash cams record both front and rear views simultaneously. Whether to choose a dual recording system or just install one in the front mainly depends on the owner's needs. Dash cams can be categorized by pixel resolution, including 300,000 pixels, 1.3 million pixels, 2 million pixels, and 5 million pixels. Based on vehicle type and functionality, dash cams can be classified into high-definition dash cams, mini dash cams, night vision dash cams, wide-angle dash cams, dual-lens dash cams, multi-functional all-in-one devices, and glasses-style multi-functional dash cams. A dash cam is an instrument that records images, sounds, and related information during vehicle travel. After installation, it can record the entire driving process, providing video and audio evidence for traffic accidents and also serving as a parking monitor. The recorded video footage must not be edited; if edited, it cannot provide assistance in the event of an accident, and it also helps prevent unavoidable fraudulent claims in today's society. The purpose of a dash cam is to protect the driver's legal rights and avoid extortion; it enables courts to make more accurate and evidence-based judgments and compensation decisions in road traffic accident cases; it assists traffic police in handling accidents quickly and accurately; and it reminds drivers not to violate traffic rules, thereby reducing the incidence of accidents.

How to Register a Color Change with Vehicle Wrap?

The required procedures for applying to change the color of a motor vehicle include: the "Motor Vehicle Change Registration Application Form", identity proofs and copies of the vehicle owner and agent, the motor vehicle registration certificate, the motor vehicle driving license, and payment of all previous fines. According to Article 6 of Chapter 2 of the "Road Traffic Safety Law", if the color change area of a motor vehicle does not exceed 30%, it is not necessary to apply for a change registration. Conversely, if it exceeds 30%, it must be registered and filed within 10 days after the vehicle color change. Reasons to choose a color change film: The entire vehicle surface is covered without splicing, with super flexibility that can achieve the desired curvature on any arc surface, fully expressing the soft and beautiful texture of the vehicle body surface; Nanoscale production process makes the product fine and compact, with strong wear-resistant and durable performance, long-lasting and stable color perception, no discoloration or fading; Without damaging the original car paint, it allows for personal expression, highlighting a unique character, and freely changing the vehicle body color, coating, or decals; Adds a protective layer to the vehicle body, protecting the original paint from sun, rain, and scratches from sand and stones. The vehicle color change film applied to the car paint surface protects it from corrosion by acid rain, UV rays, bird droppings, and resin, and also prevents scratches and wear from stones and dust; Compared to a full-body paint job, color change film application is simpler, offers better protection for the vehicle's integrity, allows for greater autonomy in color matching, and avoids the issue of color differences between different parts of the same color; Preserves the original paint color and gloss, slows aging, keeps the vehicle looking new for a long time, and maintains its value. After several years, removing the color change film reveals the original paint still bright as new. Precautions for vehicle color change: Before changing the color of a motor vehicle, it is necessary to consult the vehicle management office where the vehicle is registered to confirm whether the region allows motor vehicles to change color. If the region does not support this method, registration procedures cannot be processed after the color change, and the vehicle must be restored to its original color. Additionally, according to Article 10 of the "Motor Vehicle Registration Regulations", vehicle owners are no longer required to apply to the vehicle management office in advance. They can first change the vehicle color, install body kits, replace the engine, etc., and then apply to the vehicle management office for a change registration. Moreover, registered motor vehicles must apply for a change registration with the local vehicle management office in the following cases: Change of body color. Replacement of the engine. Replacement of the body or frame. Replacement of the entire vehicle due to quality issues. Change of use nature, such as commercial vehicles converted to non-commercial use or vice versa. The vehicle owner's residence moves out of or into the jurisdiction of the vehicle management office. Furthermore, according to Article 15 of the "Road Traffic Safety Law of the People's Republic of China": Police cars, fire trucks, ambulances, and engineering rescue vehicles must be painted with emblem patterns and equipped with alarms and signal lights as required. Other motor vehicles are not allowed to paint, install, or use emblem patterns, alarms, or signal lights that are exclusive to the aforementioned vehicles or similar to them.

Difference Between GL-4 and GL-5 Gear Oil?

The differences between GL-4 and GL-5 gear oil lie in their oil properties and acidity levels. Below are the specific distinctions: Oil Properties: Firstly, GL-4 is a medium-duty gear oil suitable for differential gears, transmission gears, and steering gears. GL-5, on the other hand, is a heavy-duty gear oil designed for extremely harsh operating conditions, such as those found in differential gears and rear axle gears. Acidity Levels: GL-5 gear oil contains more sulfur than GL-4, resulting in nearly double the acidity. Consequently, it naturally has stronger corrosive properties.

What is the difference between Mazda6 and Atenza?

Atenza and Mazda6 differ in: exterior dimensions, engine, and maximum torque. Below are the relevant details: Different exterior dimensions: Mazda Atenza: Length × Width × Height (mm) 4870 × 1840 × 1445. Mazda6: Length × Width × Height (mm) 4670 × 1780 × 1435. Different engines: Mazda Atenza: 116kW (2.0L naturally aspirated) engine. Mazda6: 108kW (2.0L naturally aspirated) engine. Different maximum torque: Mazda Atenza: Maximum torque (Nm/rpm) 202/4000. Mazda6: Maximum torque (Nm/rpm) 183/4000.

Can You Drive When the Engine Oil Reaches the Lower Limit?

You cannot drive when the engine oil reaches the lower limit. Below are the hazards of low engine oil: Causes insufficient lubrication: It may lead to insufficient lubrication of the engine, increasing engine wear. Prolonged lack of oil can eventually destroy the engine and may trigger the oil level warning light during driving. Causes engine damage: If the oil level is below the minimum mark, you should stop driving immediately and turn off the engine. Continued use may cause engine damage. Additionally, low oil levels may result in abnormal noises like valve ticking. It is recommended to top up the oil before the scheduled oil change interval.

What is the function of the throttle?

The function of the throttle is to control the amount of air intake. The following is an introduction to the working principle of the throttle and precautions for use: Working principle: The throttle is a controllable valve that controls the air entering the engine. After the gas enters the intake pipe, it mixes with gasoline to form a combustible mixture, which then burns to perform work. Precautions for use: The cleaning frequency of the throttle is closely related to driving habits and the environment. If there are no symptoms such as unstable idling, engine shaking, significant increase in fuel consumption, or weak acceleration, cleaning is unnecessary. Usually, pay attention to the condition of the vehicle and perform timely maintenance if any problems arise.

Trending Ranking

What is the real fuel consumption of the manual Tiggo 8?

Is Chexiangjia Car Maintenance Reliable?

Is the Motorcycle License Class D?

Can the original 17-inch wheels be upgraded to 18-inch wheels?

Does a new car need a paint protection film?

How much difference is there between refueling at noon and at night in summer?

What Causes the Tire Pressure Warning on Bumpy Roads?

What is the tire model for Mazda CX5?

What is the Principle of Automotive Active Noise Cancellation Technology?

Is the Dash Cam Useful When the Car Is Not Started?

More Forum Discussions

How many points are deducted for unbuckling the seatbelt before turning off the engine?

Where is the diagnostic port located on a Peugeot 307?

Does not deregistering a motorcycle have any impact?

Are Full-Coverage or Semi-Coverage Car Mats Better?

Help

Cookie

Cookie Settings

© 2025 Servanan International Pte. Ltd.