Batteries, like tires, are wear-and-tear parts that need to be replaced periodically. I’ve never seen or heard of a battery that lasted for the full life of the car it was originally installed in. How long it holds a charge depends on several factors, like the type of car it’s installed in, the number of miles put on it daily, and the climate it operates in.
On average, a new battery lasts about five years in ideal conditions, though your mileage may vary. By ideal conditions, we mean that the car’s electrical system is in tip-top shape, that the battery regularly goes through full charging cycles, and that it’s not subjected to extreme temperatures on a regular basis.
To elaborate, your car’s electrical system consists of many parts like the alternator, the voltage regulator, plus a real latticework of wires and grounds. An issue with any of the above could shorten your battery’s life expectancy if it’s ignored. Preventive maintenance goes a long way. Keep an eye out for early warning signs, like headlights that dim when you turn on the heater, or instrument panel lights that are markedly dimmer than the day you bought the car.
As for full charging cycles, keep in mind your car’s 12-volt battery dispenses a significant amount of electricity to zap the starter motor into motion every time you start the engine. If your commute is half a mile long, the alternator might not have time to recharge the battery before you reach your destination and turn off the engine. We’re not saying you should live further from work, but if you only drive short distances, take your car on a 20- to 30-minute trip every now and then to ensure the battery gets the full charge it needs.
The effect that freezing-cold temperatures have on a car battery are relatively well known. An engine requires more energy to start when the thermometer dips into the 20s, or below, partly because the oil gets thicker. At the same time, the cold makes the battery less effective. It’s weaker, yet it needs to work harder, and that’s not a good combination. What many motorists don’t realize is that hot weather takes an even greater toll on their car’s battery, and the cause of a dead battery in November might be the July heat. While starting is often easier in the summer, rising temperatures under the hood — where many batteries are located — cause the water in the electrolyte solution to evaporate, and cause the plates to corrode.
This isn’t a huge concern if your battery is located in the trunk or beneath the rear seat. However, keep in mind that it’ll still get pretty hot. Sadly, there aren’t many things you can do when you encounter a hot battery. But there are some preventative steps you can take to avoid the situation. One way is to test your battery periodically, usually conducting a test every other season to ensure that it’s functioning correctly and not overheating. It’s also a good idea to store some jumper cables in your vehicle in case you need them.
Luckily, although it’s inconvenient, repairing a dead car battery is one of the easiest and quickest repairs you can make. It’s not only a quick fix, but it’s also a relatively inexpensive repair. And if you understand the process of restarting the battery on your own, you may avoid all associated costs. There’s a trick to jumping your battery if you have a manual transmission and have access to at least one other person for assistance. Start by pushing your car and putting it into second gear. After you’ve accumulated some speed, release the clutch. Unfortunately, this fix can’t be done by yourself. Another thing you can do is to grab a good set of jumper cables (which should be in your trunk if you’re prepared for events such as this). In this case, you’ll most likely need another car for this to work. The cables will channel a proper amount of electricity from the second car and transfer it to get your motor running. However, having a second car isn’t a dealbreaker. You can purchase jumper packs that can restart your vehicle without another vehicle.
In conclusion, we examined the process of changing a car battery, which is a fairly straightforward, quick, and inexpensive process. When you’ve figured it out, grab your toolbox, and you’ll be all set.
Apple won the PC market’s worst quarter, but that’s not the entire story. It won the race by stumbling less than everyone else.
PC makers shipped just 57 million computers worldwide in Q3, which might look good, but it’s a 21% year-over-year plunge (via Counterpoint Research). And despite Apple’s Mac shipments falling by 11%, to 5.6 million, its market share rose from 8.7% to 9.8%. How did that happen?
Update (October 22 23:54 PT): In response to our query, GM clarified that offline recording support is already available on eligible vehicles. Like Tesla's Sentry Mode, it requires owners to connect a USB drive to save incident recordings, which can be viewed on the vehicle's infotainment screen. The upcoming Connected Cameras feature will build on this by giving owners remote access to these recordings via the revamped OnStar app, allowing them to check footage without walking out to their car.
General Motors has announced plans to add a new Connected Cameras feature to its OnStar service starting next year, giving drivers a way to monitor parked vehicles remotely and capture footage of certain incidents.
Missing out on the self-driving future is a tough pill to swallow, especially as a car enthusiast. But that is what Tesla handed us on Wednesday, without a hint of mercy.
During its October 21, 2026 earnings call, Elon Musk told investors the Cybercab is meant mainly as a ride service. Further, nearly all of them will be owned and managed by Tesla.