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Battery light on in cold weather
When the weather is cold the battery has less reserve power and when it is warm it doesn't require so much cold cranking power. Jan 27, · Usually the battery is weakening. Learn the facts behind winter health myths. Can vitamin C really prevent winter colds? Will going out with wet hair really make you sick? Using your alternator to charge the battery when it is that . Jan 18, The warning light was telling you that the battery was low when you started the car. One solution to this problem is to make certain batteries are warm just prior to use. As cold batteries run down they quickly reach the point where they cannot deliver enough current to keep up with the demand. Preheating batteries is not unusual for certain situations. If the battery is warmed up again it will operate normally. I get the following readings. Although the battery light which comes on occasionally (mainly in cold weather on initial start up) is still occurring, I have done a little check via the on-dash simple diagnostic check, which brings up the various codes etc (inc. dtc codes) and also shows battery voltage. A couple of seconds after I stop, the car . Mar 02, · When it's cold out (below 50F) my battery light comes on, but only after I've driven the car for a few minutes and stop at a light. Jim Craigmyle / Getty Images If you live in a place that gets a cold winter, you know to keep jumper cables in. Batteries don't work equally well in hot weather and cold weather. Learn about the effect of temperature on battery performance.