The life expectancy of the average vehicle battery is three to four years. Key factors that affect a battery’s performance are age, vibration, poor maintenance and extreme temperature.
Some of the potential symptoms of a failing battery are:
• The motor turns over slowly when starting the vehicle
• Clicking noises when turning the key or the interior lights start to dim
However, it is more difficult to identify symptoms of failing batteries in today’s automobile. The best way to determine if your battery is failing is to have the battery and charging system tested by a trained technician.