# Enabling Park Assist in Sync 3 (For those that have done a Sync 2 \> Sync 3 Upgrade) **URL:** \ **Category:** Guides\ **Tags:** APIM\ **Created:** [25 May 2020 09:31 UTC](https://community.cyanlabs.net/t/enabling-park-assist-in-sync-3-for-those-that-have-done-a-sync-2-sync-3-upgrade/555 "2020-05-25T09:31:47Z")\ **Posts on this page:** 1\ **Showing post:** 58
**Author:** ![F150Chief](https://community.cyanlabs.net/user_avatar/community.cyanlabs.net/f150chief/32/14712_2.png) [@F150Chief](https://community.cyanlabs.net/u/F150Chief)\ **Post date:** [16 October 2020 21:06 UTC](https://community.cyanlabs.net/t/enabling-park-assist-in-sync-3-for-those-that-have-done-a-sync-2-sync-3-upgrade/555/58 "2020-10-16T21:06:18Z")
> [@Need downgrade 3.4 20196 to 3.4 19200](https://community.cyanlabs.net/t/need-downgrade-3-4-20196-to-3-4-19200/1928/17): > > Downgrade to 3.4.19101 like grobi152 did above and see if it all returns to normal. Using the new software on older vehicles, especially conversions, may not work properly as the hardware was not designed for this software, or vice versa. You have hardware combinations that may not be able to use the newer software, especially being a 2014 vintage vehicle. Someone will probably figure this out, maybe. Go to this thread to discuss this, please… --- _[View the full topic](https://community.cyanlabs.net/t/enabling-park-assist-in-sync-3-for-those-that-have-done-a-sync-2-sync-3-upgrade/555)._