No, the A139 doesn't enable park mode using OBD2 even if it is parked in front of a wall with absolutely no motion. I have tested this and have posted a thread related to the sameHello,
A139 can enable the parking mode by OBD2 after 5 mins if the app can't detect the motion.
If you can please tell us how long are we looking at before the Viofo OBD cable is available to buy. If not soon enough, can you please recommend an aftermarket OBD cable that will work for now? I have tried 3 different brands of OBD cables and they let other dash cams I use enter parking mode just fine but not the A139Some aftermarket OBD cables will have a permanent ACC signal. We will develop our own OBD cable.
Sorry to tell you our own OBD cable will not be released shortly. And we're not sure the present OBD cables in the market can support parking monitoring.If you can please tell us how long are we looking at before the Viofo OBD cable is available to buy. If not soon enough, can you please recommend an aftermarket OBD cable that will work for now? I have tried 3 different brands of OBD cables and they let other dash cams I use enter parking mode just fine but not the A139