My Chrysler 300 won't crank in cold weather & it flashes different messages like "Auto Park Engaged" "Service Transmission" & my temperature display says -41....but once the weather warms up it cranks with no problems. Started about a week after I gave someone a jump straight from my battery in the trunk. Did I damage my (new)car battery or my cars electrical system? Dealer can't find anything. Help please

 

The manual does warn against jump starting other cars. Try this; disconnect both batt cables and hold them together for 30 seconds or so. This clears out the old system settings and allows them to return to preset conditions. Hope this works.

 

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Alex
Chrysler Cares