···
Log in / Register

What does 'off' mean in an automatic transmission car?

4 Answers
Alana
07/29/25 6:34am
In an automatic transmission car, the 'off' button means 'turn off', which is the button to deactivate a system. There are many 'off' buttons in different parts of the car. Some systems in the car are turned on by default, so the 'off' button is set up. If you want to turn off these auxiliary systems, you can press 'off' to deactivate them. Here are some examples: 1. 'OFF' on the air conditioning control panel: When the vehicle's air conditioning system is working normally, pressing the 'OFF' button on the control panel can turn off the system. Most air conditioning control panels do not have a separate 'ON' button. Pressing any button on the control panel can turn on the system. 2. 'OFF' on other vehicle systems: For example, the light switch, wiper switch, and cruise control switch all have an 'OFF' mark. When the corresponding operation is performed to the corresponding gear, the system will be turned off.
Was this review help?
8
3
Share
DelJulianna
08/12/25 10:18pm
I've been driving automatic transmission cars for over 20 years. 'Off' actually refers to the shutdown or power-off state. Simply put, it means turning the car key to the off position, where the engine completely stops running, all power is cut off, and the car comes to a halt. This is unrelated to the transmission gear positions, which have their own functions like P (Park) for stopping and R (Reverse) for backing up. When parking, you must combine 'off' with the P gear; otherwise, the car might roll downhill, which is very unsafe. Some people forget to turn 'off,' and the battery slowly drains. I've experienced a few mornings when the car wouldn't start because of this. Developing a good habit of turning 'off' every time you park protects the engine and extends battery life.
Was this review help?
4
0
Share
Expand All
Matteo
10/04/25 3:42am
I just learned to drive an automatic transmission not long ago. Last time, a friend asked me what 'off' means, and I didn't know either. Now I understand that 'off' means shutting down, turning off the engine, just like turning off a phone screen. In the car, when you turn the key or press the button to 'off', the car becomes quiet and stops moving, similar to turning off the air conditioning. However, it doesn't replace the operation of the transmission, such as still needing to shift to P gear to prevent accidental sliding. As a beginner, I think this is quite important because if you don't turn it 'off', the battery will drain, and charging can be troublesome, especially in winter when the car is prone to freezing.
Was this review help?
17
2
Share
Expand All
StAlice
11/17/25 5:17am
I'm a car enthusiast. The "off" in an automatic transmission refers to the ignition switch being in the off state. At this time, the engine stops running, and all systems are powered off. It is unrelated to the transmission's D gear or P gear, as the gear is independently controlled. "Off" can protect electrical components, such as preventing excessive battery discharge. For short-term parking, using "off" in combination with the handbrake is safer.
Was this review help?
16
1
Share
Expand All
More Forum Discussions

How many liters of engine oil does a Smart car need to replace?

Smart cars require 3.5 liters of engine oil for replacement. Precautions for engine oil replacement: Engine oil is as important to an engine as blood is to the heart. The engine is the heart of a car, containing many metal surfaces that rub against each other during operation. These components move at high speeds in poor environments, with working temperatures reaching 400°C to 600°C. Under such harsh conditions, only qualified lubricating oil can reduce wear on engine parts and extend their service life. Different grades of engine oil have different characteristics, with varying performance in low-temperature starting and high-temperature wear resistance and adhesion. Introduction to Smart: The small family car produced by Mercedes-Benz is named Smart.
12
0
Share

Is it necessary to step on the brake when starting a car?

Starting the engine does not require stepping on the brake, unless the gear is in N (Neutral) and the handbrake is not engaged. For safety reasons, automatic transmission vehicles are generally designed to start the engine only in P (Park) or N (Neutral) gear, making stepping on the brake unnecessary. Here are some related details: 1. Brake: The brake is a mechanical braking device that slows down the vehicle, also known as a decelerator. The car's brake pedal is located under the steering wheel. Pressing the brake pedal activates the brake linkage, which applies pressure to the brake pads on the brake drum, clamping the brake disc and causing the vehicle to slow down or stop. 2. Purpose: The purpose is to decelerate, either reducing speed or bringing the vehicle to a complete stop. The principle of braking is to convert the vehicle's kinetic energy into heat energy, which is then dissipated. The kinetic energy comes from the power provided by the engine, which requires fuel combustion to generate. In other words, every time you press the brake, a bit of gasoline is wasted.
16
0
Share

Is it okay to park a car on an uneven surface for a day?

Parking a car on an uneven surface for a day is generally fine, but here are the details: 1. Chassis: The car's chassis can deform, affecting the alignment of doors and hoods. The body's manufacturing tolerances are precise, and parking on a slope causes uneven force distribution, leading to deformation over time. Prolonged uneven parking can cause irreversible chassis deformation, potentially affecting door operation. The body frame is the hardest component to restore from aging symptoms. 2. Suspension system: Includes shock absorber springs, dampers, and anti-roll bars. When parked on a slope, except for the dampers, the springs and anti-roll bars remain under tension. Long-term uneven parking causes uneven spring fatigue, reducing performance and lifespan. 3. Tires: Tires bear the car's entire weight. Uneven parking leads to uneven tire stress, causing deformation or uneven wear, damaging tires over time. For long-term parking, choose a level surface to ensure all four wheels are on the same plane. Uneven parking can damage car components, affecting their performance, lifespan, and driving safety. Regular maintenance can prevent part damage and ensure driving safety.
12
4
Share

What is the minimum ground clearance of the New Bora?

The minimum ground clearance of the New Bora is 122mm. Minimum ground clearance: This parameter actually refers to the ground clearance when the vehicle is fully loaded (1855kg). The ground clearance when unloaded is certainly higher than 122mm. Ground clearance: Generally speaking, the minimum ground clearance of ordinary family cars is usually within the range of 11-15 cm. For this parameter, the higher the chassis height, the better the passability of the car. However, when driving on highways, the stability is relatively worse. If the chassis height is lower than 110mm, the car is more stable at high speeds but has poorer passability.
12
0
Share

What Maintenance Does a Mercedes Need at 40,000 Kilometers?

At 40,000 kilometers, a Mercedes requires transmission fluid maintenance, air filter replacement, and spark plug replacement. Transmission Fluid Introduction: It is a type of oil used to keep the gear system clean, ensuring the transmission operates normally and extending the lifespan of the transmission components. Air Filter Introduction: It is a type of filter, also known as an air filter cartridge or air cleaner. It is mainly used for air filtration in engineering vehicles, automobiles, agricultural vehicles, laboratories, sterile operating rooms, and various precision operation rooms. Spark Plug Introduction: Commonly known as a spark plug, its function is to discharge the high-voltage pulse electricity sent by the high-voltage wire (spark plug wire), breaking down the air between the two electrodes of the spark plug to generate an electric spark, thereby igniting the mixed gas in the cylinder. The product is divided into standard spark plugs, insulator-protruding spark plugs, etc.
11
3
Share

What is the fuel tank capacity of the Honda CB190R?

Honda CB190R fuel tank capacity is 12L. Introduction to fuel tank capacity: Fuel tank capacity (L) refers to the size of the fuel tank, measuring a vehicle's ability to carry fuel. The fuel tank capacity determines the driving range. For two cars with identical engines, the one with a larger fuel tank can travel farther. Introduction to the Honda CB190R appearance: Designed with weight concentration, the center of gravity is focused towards the engine, creating a compact appearance. The tail is upturned, the head is minimized, and the tail is shortened with a hidden exhaust pipe design. It adopts a moderate posture, ensuring comfort whether in urban sports or long-distance driving. When riding, you will clearly experience a very wide field of vision, a strong sense of forward sprint, and an unobstructed view of the scenery on the road, offering a unique floating driving sensation.
16
3
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.