<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div dir="ltr"></div><div dir="ltr">In most keyless ignitions, pushing the start button turns the engine off, if it’s running. Pressing the button, without pressing the brake turns on accessory mode, so you can listen to the radio and open windows. </div><div dir="ltr"><br></div><div dir="ltr">If you want to be in “key on, engine off’, you press and hold the button, without the brake, until it turns on. 10 seconds or more in some cars. This is probably what your tool wants. Be aware that the draw in this position is pretty high, and the reserve capacity of batteries is not great, so you may need to hook up a charger if you’re going to be working for more than a few minutes. </div><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr"><br><blockquote type="cite">On Oct 22, 2025, at 22:16, John T Blair <jblair1948@cox.net> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr"><div class="ydp8d77b4c7yahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:16px;"><div><div dir="ltr" data-setdir="false">I've just run into this problem twice now in the last month. I have a ODB II scanner, a Actron CP9680 I bought back in 2021. A couple of weeks ago I tried to read the codes on a late model KIA and to day on a 2018 Cadillac. <br></div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">When I plugged the scanner in to both cars, it displayed turn the engine off.</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">Well both of these cars had keyless ignitions. So does anyone know how do you turn off the ignition on a keyless system?</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">JohnT,</div><div dir="ltr" data-setdir="false"><br></div><div><br></div><div class="ydp8d77b4c7signature"><div dir="ltr" style="font-family:Helvetica, Arial, sans-serif;font-size:16px;"><div class="ydpca89bbc3pasted-link"><br><div>
John T. Blair WA4OHZ email: jblair1948@cox.net</div>
Va. Beach, Va Phone: (757) 495-8229<br><br>
48 TR1800 48 #4 Midget 65 Morgan 4/4 Series V (B1106)<br>
75 Bricklin SV1 (#0887) 77 Spitfire 71 Saab Sonett III<br>
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