Common Car Battery Questions


The car battery provides the jolt of electricity necessary to power all the electrical components in your vehicle. In fact, it’s your ride’s heart and soul. Without battery power, your car, as you’ve probably noticed, won’t start.


1. How long do car batteries last?

The length of a battery’s life can be affected by a wide variety of factors, including extreme hot or cold weather. Bad vibrations or frequent jump-starts could also limit its life. However, if you take good care of your battery and check up on it from time to time, you can expect it to last for about four years.


2. When should I extend my car batteries life?

Limit short rides as this prevent full charge; limit the use of your car in extreme heat or cold weather; turn off all lights including automatic lights; don’t use electronics when idling.


3. Why do I have a flat car battery every morning?

Have you left any lights or electricals on? Check less obvious things like the glovebox not closing properly. If the problem continues you may have an electrical drain that needs professional attention.


4. Why do I hear a clicking sound when I start my car?

Rapid clicking usually indicates a faulty or dead battery that will need replacing. The clicking sound could happen when the starter motor isn’t receiving enough power due to corroded battery terminals. Check the battery under the hood and ensure that the terminals don’t have a green or blue deposit buildup on them. Also, check for any rust buildup on the battery terminals.


5. Why Is My Car Battery Leaking?

A leaking car battery can be very dangerous, and it will generate additional damage if it isn’t fixed quickly. Batteries are vulnerable components, so any number of issues could cause one to become cracked, warped, or damaged in some other way. Improperly sealed cell caps might also cause the issue, so you should take a look at all battery connections every time you get under the hood.


6. What are the symptoms of a failing/bad car battery?

Slow engine crank; failing car electrical such as power windows; a battery dashboard warning light appears; swollen battery case; weird smell and old age.

If your vehicle’s warning lights come on, and there’s no other observable cause, your battery may have a very low charge.

Your battery powers all of the electrical components in your car, and if one or more of these is not working properly, your battery is the likely cause! If your lights dim when the A/C or heat comes on, your battery should be replaced.

Even if you haven’t noticed any major problems, it’s a good idea to open up the hood and take a look at your battery every now and again. If you can see corrosion on the battery posts or cable, you should schedule a service to have your battery checked or changed.

Mr. Mechanic can come to you for any vehicle repair, service, roadworthy certificate, and inspection needs. Call us for a free quote!

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