How to Start an Automatic Car When the Battery is Dead?

2 Answers
EvanLynn
07/24/25 4:53pm
In this situation, the only solution is to use an external power source to start the car. This external power source can be another functioning vehicle or an emergency jump starter. Here are the relevant details: 1. There are two scenarios when an automatic car's battery dies. The first is when the car has been parked for an extended period without being started, leading to battery drain, or when the lights were left on after parking, also causing battery drain. Both cases can be resolved by jump-starting. The second scenario is when the battery reaches the end of its lifespan and fails to start the engine, requiring replacement with a new battery. 2. For automatic transmission vehicles with a dead battery, it is recommended to carry a portable charger in the car. In emergencies, you can use the portable charger by connecting it to the battery's positive and negative terminals, setting the charging parameters, and initiating the charging process. Once charged, you can start the engine as usual.
Was this review help?
11
1
Share
McLuna
08/11/25 9:21am
I've had several experiences with automatic transmission cars running out of battery, and the most straightforward solution is to jump-start using another car's battery. You'll need two specialized cables: attach the red clamp to the positive terminal of the dead battery and the other end to the positive terminal of the rescue car. Then, attach the black clamp to the negative terminal of the dead battery and the other end to a metal part of the rescue car's engine to avoid spark accidents. Start the rescue car's engine and let it run for a few minutes before attempting to start your car—usually, it works on the first try. After success, don't turn off the engine immediately; drive for about 20 minutes to let the alternator recharge the battery. Remember to wear insulated gloves during the operation to avoid electric shock. If you don't have friends to help, consider buying a portable jump starter for emergencies and keep it in the trunk. I recommend checking the battery's health every six months, especially for older cars that are prone to power leakage, and make it a habit to turn off lights and air conditioning.
Was this review help?
17
0
Share
Expand All
More Forum Discussions

What are the differences between Lexus NX200 and NX300?

Lexus NX200 and NX300 have the following differences: Different engines: The NX200 is equipped with a 2.0L naturally aspirated engine, while the NX300 is equipped with a 2.0T turbocharged engine. Different power outputs: The NX200 engine has a maximum power of 110 kW and a maximum torque of 189 Nm. The NX300 engine has a maximum power of 175 kW and a maximum torque of 350 Nm. Different transmission systems: The NX200 is matched with a CVT continuously variable transmission, while the NX300 is matched with a six-speed automatic transmission. The Lexus NX comes with features such as a smartphone wireless charging system, touch multimedia information operating system, 360-degree panoramic monitoring system, full-color head-up display system, full-speed range adaptive cruise control system, and blind spot monitoring system.
15
5
Share

What Causes the Car's Warning Light to Illuminate and the Engine to Shake?

The reasons for the car's warning light illuminating and the engine shaking are: 1. Poor combustion of the engine's air-fuel mixture; 2. Substandard fuel quality; 3. Malfunction in the operation of spark plugs, high-voltage wires, and ignition coils; 4. Internal short circuit in the fuel pump, preventing normal supply of low-pressure fuel; 5. Air leakage in the engine's intake system; 6. Excessive dirt on the throttle or carbon buildup in the fuel injectors; 7. Aging of engine components. The solutions for the car's engine warning light illuminating and the engine shaking are: 1. Check the operation of spark plugs, high-voltage wires, and ignition coils; 2. Clean engine carbon deposits, throttle, replace oil pads and spark plugs; 3. Visit a 4S shop to check the fuel supply pressure and whether the intake pressure sensor is functioning normally.
1
5
Share

What Causes the Malibu to Feel Sluggish and Lack Power During Acceleration?

The reasons for the Malibu feeling sluggish and lacking power during acceleration are as follows: 1. Throttle body malfunction: When the throttle body malfunctions, the vehicle may exhibit symptoms such as engine shaking, unstable idling, weak acceleration, and difficulty starting when cold. In this case, the throttle body should be thoroughly cleaned, especially removing any oil sludge attached to it. If the throttle body is structurally damaged, it should be replaced promptly. 2. Throttle position sensor issues: When the throttle pedal malfunctions, the vehicle may show symptoms like weak acceleration, severe jerking, and unresponsiveness to throttle input. In such cases, the throttle position sensor should be inspected, and it's advisable to use high-quality fuel regularly. After repairs, the fault codes should be cleared promptly to prevent memory confusion in the vehicle's electronic system, which could cause unnecessary issues later.
17
1
Share

What is the RPM for shifting from first gear to second gear?

Shifting from first gear to second gear is typically around 2000 RPM. Manual transmission cars have the following gears: 1st gear, 2nd gear, 3rd gear, 4th gear, 5th gear, and R gear, where gears 1 to 5 are forward gears, and R is the reverse gear. Manual transmission cars use a manual shift mechanical transmission to regulate speed, meaning that by manually moving the gear lever, the gear engagement inside the transmission can be changed, altering the gear ratio to achieve speed adjustment. The clutch must be depressed to move the gear lever. The steps to start a manual transmission car are: 1. Get in and sit properly; 2. Start the car; 3. Depress the clutch; 4. Engage 1st gear; 5. Slowly release the clutch; 6. Gently press the accelerator; 7. Fully release the clutch, and the car starts moving.
5
0
Share

What is the repair method for a self-priming pump that keeps running without stopping?

Self-priming pump that keeps running without stopping repair method is: promptly check whether there is water leakage in the outlet pipe, locate the leakage position, repair or replace it to ensure normal operation. The working principle of the self-priming pump is: before starting the pump, fill the pump casing with water first. After starting, the high-speed rotation of the impeller causes the water in the impeller channel to flow toward the volute, creating a vacuum at the inlet, which opens the inlet check valve, allowing air in the suction pipe to enter the pump and reach the outer edge through the impeller channel. Precautions for using a self-priming pump include: 1. After the entire pump body is fixed, steel pipes can be used to connect to the pump's inlet, and the bottom valve of the self-priming pump needs to be perpendicular to the horizontal plane to ensure normal use later; 2. To prevent electric shock accidents, necessary protective measures should be taken.
17
0
Share

What is the solution when the BYD G6 cannot detect the key?

The solutions for when the BYD G6 cannot detect the key are: 1. Replace the battery; 2. Check if there is an issue with the anti-theft control unit system; 3. There may be magnetic interference in the surrounding area, move the vehicle to another location and try again. Taking the 2013 BYD G6 as an example, it belongs to the mid-size car category, with body dimensions of: length 4860mm, width 1825mm, height 1463mm, wheelbase of 2745mm, and a fuel tank capacity of 65 liters. The 2013 BYD G6 features a double-wishbone independent front suspension and a five-link independent rear suspension. It is equipped with a 2.0L naturally aspirated engine, delivering a maximum horsepower of 140PS, maximum power of 103kW, maximum torque of 186Nm, paired with a 5-speed manual transmission.
20
4
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.