how to change battery in key fob

What type of batteries are used in cars?

Batteries are either conventional lead-acid or the more advanced AGM design previously mentioned. Most cars on the road today use conventional batteries and some models use AGM batteries. These batteries are highly spill resistant and better able to handle repeated discharging and recharging, as occurs in cars that have engine stop-start systems to improve fuel economy. Auto manufacturers optimize car-charging systems for the battery type so AAA recommends that your replacement battery always be the same type as the original factory-installed battery.

How many AAA approved auto repair facilities are there in the US?

The AAA Approved Auto Repair Facility Locator is a powerful search tool that gives you easy access to information on over 7,000 AAA Approved Auto Repair facilities across North America.

What is AGM battery?

Some newer cars with absorbent glass mat (AGM) batteries require careful control of charging rates for maximum battery life, and the automaker may even alter the charging strategy as the battery ages.

How long does it take for a car battery to wear out?

Batteries gradually deteriorate until they can no longer provide enough power to start an engine. This wear time could take three to five years and a vehicle’s usage pattern is one factor contributing to the rate at which a battery will age.

Why select a battery with the same group number as the original equipment battery?

Selecting a battery with the same group number as the original equipment battery will ensure a secure fit, adequate clearance, and no cable/terminal issues. It will also allow for proper reinstallation of the important battery heat shield, if your vehicle has one.

How long do car batteries last?

In cooler northern climates, a battery may last five years or longer, but in hot southern locales, a car battery will typically last approximately three years. Batteries reside in a harsh under-the-hood …

Why do batteries break down?

Vibration causes internal battery parts to break down. To minimize vibration effects, use special hold down hardware to secure the battery in place and prevent it from moving. Missing or loose hold down hardware can significantly shorten battery life.

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