Chrisj1 Posted June 14, 2019 Report Share Posted June 14, 2019 New Porsche owner and wondered if anyone had noticed there start/stop working or not working. The A with the cross comes up when I’m stopped and held on the brake. I haven’t had a good run in it recently so It might be the battery level but any help would be appreciated. Link to comment Share on other sites More sharing options...
iborguk Posted June 14, 2019 Report Share Posted June 14, 2019 26 minutes ago, Chrisj1 said: New Porsche owner and wondered if anyone had noticed there start/stop working or not working. The A with the cross comes up when I’m stopped and held on the brake. I haven’t had a good run in it recently so It might be the battery level but any help would be appreciated. Hi. Welcome to Ownership. I don't have a 981 although I found this link to the pre-conditions for stop/start to work in the event it helps. Share a link to a pic of your new ride when you can (use Imgur/Flickr etc) http://www.porscheownersmanuals.com/2014-boxster-manual/7/130/Preconditions-for-stopping-the-engine-automatically Link to comment Share on other sites More sharing options...
Greenman Posted June 14, 2019 Report Share Posted June 14, 2019 The battery has to be really fully charged for it to activate so it’s probably that. The Porsche fitted batteries don’t seem to be the most robust and the electronics seems to air on the safe side so as not to discharge the battery unduly. I just deactivate it as soon as I get in anyway, any money lost in extra petrol used will be more than offset by extra battery longevity. Link to comment Share on other sites More sharing options...
Chrisj1 Posted June 14, 2019 Author Report Share Posted June 14, 2019 Now the monsoon has finished I can set about a full polish and I can post some pics. I did wonder if I had become far too use to the stop start on my everyday. I’ll leave it in standard and catch up with Dove House. Link to comment Share on other sites More sharing options...
smartin Posted June 14, 2019 Report Share Posted June 14, 2019 When I picked up my 981S in December of last year the stop/start rarely activated. After I had a skiing accident at the end of March this year, I couldn't drive the car for a few weeks so had to put the battery on a charger to prevent it dying. Ever since then the stop/start kicks in most times I come to a standstill so I would say, get the battery on a charger and she if it comes back. Link to comment Share on other sites More sharing options...
Stuart21UK Posted June 14, 2019 Report Share Posted June 14, 2019 in almost 6 years I can say the only time the start/stop fails is if there are other errors eg when the brake pedal thingy was faulty, and now with a flooded passenger footwell...bet its a low battery causing yours Link to comment Share on other sites More sharing options...
Withy Posted June 14, 2019 Report Share Posted June 14, 2019 An OBD2 tool can be used to disable it completely too - @fat haggis has one and when we reset my airbag light we also (inadvertently) disabled start/stop which was quite nice as it's a weird feature to have in this type of car in my opinion (and I had the light always on as you mention). Mine is now back to normal after some electrical gremlins meant a reset/update of various things so it's back on and now very consistent. Link to comment Share on other sites More sharing options...
daz05 Posted June 15, 2019 Report Share Posted June 15, 2019 Dealer can code it so that it reverts to being turned off unless you press the button to turn it on. Usually will do so as part of your service FOC. Link to comment Share on other sites More sharing options...
topradio Posted June 15, 2019 Report Share Posted June 15, 2019 There are a number of conditions that have to be met in order for the stop/start to operate. I found, when I accidently forgot to switch it off, that the disabled icon would come on when stopping at the top of the slip road after a long run of about 20 miles. I could never work out which parameter was not being met. After @Richard Hamilton reprogrammed my auto stop/start to default to 'off' its never been switched on since. Link to comment Share on other sites More sharing options...
ATM Posted June 16, 2019 Report Share Posted June 16, 2019 On 6/14/2019 at 10:59 PM, Stuart21UK said: in almost 6 years I can say the only time the start/stop fails is if there are other errors eg when the brake pedal thingy was faulty, and now with a flooded passenger footwell...bet its a low battery causing yours What's caused the flood Stu? Link to comment Share on other sites More sharing options...
Chrisj1 Posted June 16, 2019 Author Report Share Posted June 16, 2019 Thanks all. I’ll get a trickle charger on it and see what happens, and I’ve got some long runs coming up which should prove the low battery hypothesis. Link to comment Share on other sites More sharing options...
Stuart21UK Posted June 16, 2019 Report Share Posted June 16, 2019 3 hours ago, ATM said: What's caused the flood Stu? see my thread but blocked drainholes I think Link to comment Share on other sites More sharing options...
Chrisj1 Posted June 24, 2019 Author Report Share Posted June 24, 2019 Took it for a long run this weekend due to the A14 being closed to knock down a bridge and was surprised to see how quickly the battery got enough charge to recommence stop/start. I think I'll save the charger money by driving more and often. Link to comment Share on other sites More sharing options...
ATM Posted June 26, 2019 Report Share Posted June 26, 2019 I got a new charger from lidl a few weeks back for 13 quid. Not even used it yet. Still in the box. Link to comment Share on other sites More sharing options...
mrbikerdood Posted June 26, 2019 Report Share Posted June 26, 2019 As I always put my 981s into sport mode,the start-stop never kicks in as i hate it,i even turn it off my seat car for work Link to comment Share on other sites More sharing options...
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