• Slower than normal cranking speed
• Dimmer than normal headlights at idle
• Using battery water in one or more cells
• Corrosion on battery cables or terminals
The service technician is correct by saying it is safer to charge the battery out of the vehicle because the higher voltage from the charger could affect some computer circuits. You can charge a battery with it still in the vehicle. Again, your battery is normal and should provide you with a year or more of service. The normal life of a battery is generally considered to be four to seven years. Just remember that batteries do wear out and your battery is old in battery years, so replacing it soon I think, would be wise.
Have an automotive question? Write to Jim at jim@jameshalderman.com.
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