427HISS Posted April 5, 2021 Share Posted April 5, 2021 I was waiting for my wife at our Doctor, so I turned on the ''accessory'' ignition to listen to the radio, but when I went to start it, the battery was dead. Maybe 18-20 minutes. Now, I've never had the push button start or the dash computer, so I may, have put it in the ignition ''on'' position that can wear down the battery quicker. How do I find both positions ? Quote Link to comment Share on other sites More sharing options...
bbf2530 Posted April 5, 2021 Share Posted April 5, 2021 (edited) 9 hours ago, 427HISS said: I was waiting for my wife at our Doctor, so I turned on the ''accessory'' ignition to listen to the radio, but when I went to start it, the battery was dead. Maybe 18-20 minutes. Now, I've never had the push button start or the dash computer, so I may, have put it in the ignition ''on'' position that can wear down the battery quicker. How do I find both positions ? Hi 427. How to operate the push button start/ignition and place the vehicle in delayed accessory mode is outlined in the Owners Manual. If you do not have your hard copy, you can download the PDF version here: https://www.fleet.ford.com/parts-service/resources/owner-manuals/ However, here is a quick explanation: -To turn on ignition system but not start the car, press the Start button without depressing the brake pedal. -To place the system into Accessory mode (or "Delayed Accessory Mode", since it turns itself off after 10 minutes), press the Start button a second time. This essentially turns off all systems except for the audio/windows, allowing you to use the audio/windows for 10 minutes, after which the system turns everything off -To start the car, put foot on brake and press starter button. On a related note...if your battery dies after 18-20 minutes of listening to the radio with the ignition on, the battery may be weak and need replacement. Your profile states you have a 2016 MKZ. If it is still the original factory battery, it is due for replacement anyway. Hope this information answers your questions. Edited April 5, 2021 by bbf2530 Quote Link to comment Share on other sites More sharing options...
leftoverture Posted April 5, 2021 Share Posted April 5, 2021 I agree your battery, if original, is at the age where replacement makes sense. It is also possible your alternator is not fully charging the battery. You might do well to have both battery and alternator tested by a knowledgeable professional. Quote Link to comment Share on other sites More sharing options...
427HISS Posted April 5, 2021 Author Share Posted April 5, 2021 I remember the days where a battery lasted a lot longer than that. I'll have it tested. Thanks Quote Link to comment Share on other sites More sharing options...
Izzy3906 Posted April 6, 2021 Share Posted April 6, 2021 I remember those days that's when cars had no technology just the AM radio an a 8-Track. Quote Link to comment Share on other sites More sharing options...
427HISS Posted April 7, 2021 Author Share Posted April 7, 2021 Lol,...simple. Quote Link to comment Share on other sites More sharing options...
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