tonyvan Posted August 20, 2014 Share Posted August 20, 2014 Just curious really.... When going down a hill with the Eco Cruise on, the car does its ReGen mode thing, which is fine. But - does anyone know if the brake lights are on all the time that this is happening? Obviously I'm not slowing down, I'm simply maintaining a set speed.... Short of asking my wife to follow me and take note, I don't know how I can check. Quote Link to comment Share on other sites More sharing options...
Robert Iggy Cerami Posted August 20, 2014 Share Posted August 20, 2014 If the little circle is spinning then the brake light will be on... if just the arrow pointing up then you are also charging the battery but no brakes are applied ... hope this made some sense... Quote Link to comment Share on other sites More sharing options...
EatDirtFartDust Posted August 20, 2014 Share Posted August 20, 2014 If the little circle is spinning then the brake light will be on... if just the arrow pointing up then you are also charging the battery but no brakes are applied ... hope this made some sense... This is correct. It's also good to note that if you have adaptive cruise control, your brake lights are also coming on whenever the car applies your brakes for you. Quote Link to comment Share on other sites More sharing options...
SteveB_TX Posted August 21, 2014 Share Posted August 21, 2014 Yup. Little circle = brake lights on. :) Quote Link to comment Share on other sites More sharing options...
tonyvan Posted August 21, 2014 Author Share Posted August 21, 2014 Thanks for the replies. I knew that the circle meant that the brakes were being used, but I wasn't sure if the lights came on as a result of pressure in the system or as a result of the brake pedal being pressed. And now I know. Thanks! Quote Link to comment Share on other sites More sharing options...
ZeaRay Posted January 18, 2018 Share Posted January 18, 2018 So, this is not true of my 2017. It's an easy thing to check. MKZ brake lights are bright, so just travel down an unlit street, preferably with items like street signs or mailboxes along the shoulder. Look in the mirror when the regen circles come on and you'll be able to see if your brake lights are on or not. Since first finding this thread, I've been watching other MKZh's on the road for what would appear like excessive braking. I haven't noticed it, so either: few people use eco mode, or a software/model update has changed that interaction. Does anyone know? Quote Link to comment Share on other sites More sharing options...
DeeCee Posted January 21, 2018 Share Posted January 21, 2018 They don't come on with regenerative braking in my 2017 MKZH either. With ACC on and descending a steep hill the car starts using regen braking, no brake light, but if this is not enough to maintain the set speed, then regular hydraulic brakes are applied and then the brake lights come on. Quote Link to comment Share on other sites More sharing options...
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