Car won't start. Radio comes on and lights, but won't start when I push the button?

Asked by Donnamangrum Sep 13, 2013 at 10:17 PM about the 2011 Hyundai Sonata 2.0T SE FWD

Question type: General

Car sat from 2:15 p.m. to 7:30 p.m.   All was fine.  Now it won't start?  Radio comes on and lights on, why won't it start?

3 Answers


You might have a couple of possible problems: 1. Dying battery 2. Alternator not charging properly Most vehicles need 9.6 volts to crank the engine over so it will start. The lights and radio will work well below this minimum. Your alternator output should be between 14 - 14.5 volts, if not, the battery is not getting enough voltage to charge it properly.

2 people found this helpful.

Donnamangrum - Did you ever find out what the problem was? I am having the same problem. I have a 2013 with a push button start. Hadn't drove since Tuesday. Went out Saturday and it wouldn't start. As you said the lights and radio are on but when I push the button it wont turn over.

3 people found this helpful.

No, this problem just happen late this afternoon and everything is closed on Sundays.

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