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How Long Should You Not Turn Off the Engine After a Jump Start?

2 Answers

AxelFitz

07/29/25 5:55am

Do not turn off the engine for 20 minutes after a jump start. Steps for jump-starting a car: Take out one cable; first connect one end to the positive terminal of the rescue car's battery, then connect the other end to the positive terminal of the rescued car's battery. Take out another cable, first connect one end to the negative terminal of the rescue car's battery, then connect the other end to a metal part of the rescued car's engine. Start the rescue car; then start the rescued car following the normal procedure. Quality of jumper cables: When purchasing jumper cables, choose genuine, quality-assured ones. Opt for thicker cables with an outer diameter of at least 10mm and a length of about 3 meters. Avoid cheap, low-quality jumper cables priced at just a few tens of dollars to prevent them from burning out due to inability to handle high starting currents.

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Yvonne

08/12/25 8:36pm

I remember every time after giving someone a jump start, I would suggest keeping the engine running for at least 15 to 20 minutes before turning it off. This is because the alternator needs time to recharge the battery. Idling is acceptable, but it's even better to drive a short distance at around 60 km/h for more effective charging. The charging rate isn't very fast, and idling might take over half an hour to accumulate enough power for the next start. I've encountered situations where turning off the engine too soon resulted in the car not starting again after just five minutes, especially with older batteries. Regularly checking the battery voltage and maintaining it above 12.6V can help avoid this issue. Make it a habit to wait a while before shutting off the engine after a jump start. Additionally, battery performance drops in cold weather, so it's advisable to drive a few extra minutes to ensure safe operation.

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More Forum Discussions

Is it acceptable if the left and right sides are not equally wide when reversing into the garage?

It is considered acceptable. Below is the relevant information about Subject 2: 1. Examination standards: In the Subject 2 test, the criterion for reversing into the garage is not based on the width of both sides but rather on whether the vehicle body crosses the line. Therefore, there is no need to worry about the distance on both sides of the vehicle body. As long as the vehicle body does not cross the line, it is considered normal. 2. Reversing into the garage in Subject 2: This is the first item in the Subject 2 test. If a mistake is made in this item, the Subject 2 test will be deemed a failure. When the vehicle enters the garage, as long as the vehicle body does not cross the boundary line, the distance on both sides of the vehicle is not important. Frequent adjustments to the vehicle body may cause it to cross the line, resulting in test failure. 3. Subject 2 test items: There are five items. The first test item is reversing into the garage, the second is parallel parking, the third is stopping and starting on a slope, the fourth is turning at a right angle, and the fifth is driving through curves. When the vehicle can successfully complete the curve driving, it proves that the test has been passed, and you can check your score on your own.

What causes the left side to be too wide when reversing into the left bay?

The following are the related reasons for the left side being too wide when reversing into the left bay: 1. Steering too late at the starting point: If the left side is too wide and the right side is too narrow when reversing into the left bay, it is because the steering was done too late at the starting point. Even if you don't adjust the direction and reverse in one go, the right side will still be too narrow! 2. Different turning radii for left and right turns: Due to the different turning radii of the car for left and right turns, the steering point for reversing into the left bay at the starting point usually needs to be slightly earlier than for the right bay. This applies to all test vehicle models! It is essential to improve proficiency in speed control and steering wheel operation and strengthen basic skill practice! 3. Timing is crucial: The situation where the left side is too wide and the right side is too narrow when reversing into the bay often occurs during right bay reversing. Beginners are unfamiliar with the vehicle's performance, have inaccurate judgment of the 30 cm distance, and are not very good at timing the steering at key points. A combination of these factors leads to the issue.

What are the differences between new cars and used cars?

Differences between new cars and used cars: 1. Performance differences: In terms of performance, the engine and overall performance of a new car are far superior to those of a used car. 2. Differences in appearance and interior: Whether it's the exterior or interior, a new car looks much more comfortable because a used car has already been used by someone else, and the interior may be dirty and worn, while the exterior may also be slightly worse. 3. Differences in fault conditions: New cars rarely have issues, while used cars are more likely to have minor or even major problems. After all, machinery will experience wear and tear over time, and the performance of a new machine is naturally better than that of an old one.

Which part of the car should the safety hammer strike?

The safety hammer should strike the four corners of the car window glass. Here are specific details about the safety hammer: 1. Usage method: Car glass is a high-strength tempered glass with strong impact resistance. In case of an emergency, use the pointed end of the safety hammer to forcefully strike the four corners of the glass. Once cracks appear, strike a few more times or kick outward with your foot, and the entire glass will fall off. After the glass completely falls off, quickly and orderly jump out of the vehicle and evacuate to a safe area. 2. Common misconceptions: Believing that the center of the window glass is the easiest point to break, focusing all efforts on striking the middle part, or using personal items such as keys, high heels, mobile phones, or wooden sticks as substitutes for the safety hammer.

What are FAW Toyota's first maintenance regulations?

FAW Toyota's first maintenance regulations are as follows: 1. Time regulation: The first maintenance time is calculated based on the vehicle pickup date, with the purchase invoice serving as the reference. It's advisable to make an appointment with the 4S store before going for the first maintenance. 2. Maintenance cycle: When the vehicle reaches 5,000 kilometers or 3 months, a comprehensive free inspection is required at the 4S store, but no parts will be replaced. The first actual maintenance is due at 10,000 kilometers or 6 months, during which the 4S store waives the first maintenance fee. Subsequent maintenance intervals are recommended by the manufacturer to be every 10,000 kilometers or 6 months.

Where to Renew an Expired Beijing Driver's License?

To renew an expired Beijing driver's license, you can go to any vehicle management office in Beijing's districts. Below is the relevant information for renewing a Beijing driver's license: 1. Required documents: Original and photocopy of the motor vehicle driver's identity proof; Original receipt for digital photo collection of Beijing motor vehicle driver's license; Original medical institution physical condition proof from Beijing driver's 'one-stop' service; Original motor vehicle driver's license or a written statement of loss of the driver's license. 2. Notes: After the application is successful, do not drive a motor vehicle with the expired original license before receiving the new one; During the process, the applicant and the recipient must be the same person. Please fill in the relevant information truthfully and be responsible for the authenticity and validity of the provided documents; Once the online application at the vehicle management office is approved, it is considered processed, and the fee will be charged immediately with no refunds accepted.

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