19款车机升级疑问

<div layer1="img-s"></div><div class="tz-picture"><img src="http://club2.autoimg.cn/album/g32/M01/3F/14/userphotos/2025/06/26/20/500_Chtk2WhdN8SAPxSAABCusWmjj38201.jpg" style="height:1080px;width:1920px"  /></div><div layer1="img-e"></div><br /><div layer1="img-s"></div><div class="tz-picture"><img src="http://club2.autoimg.cn/album/g32/M04/3E/B8/userphotos/2025/06/26/20/500_ChxkPmhdN8WAH1msAAo7VCAoaYs032.jpg" style="height:1920px;width:1080px"  /></div><div layer1="img-e"></div><br /><div layer1="img-s"></div><div class="tz-picture"><p class="promptcons" del="http://club2.autoimg.cn/album/g32/M05/3E/B8/userphotos/2025/06/26/20/500_ChxkPmhdN8aAW3IIAAWLdjzPLmk947.jpg">图片已删除</p></div><div layer1="img-e"></div><br /><div layer1="text-s"></div><div class="tz-paragraph">19款车机能否换成21款车机呢？如果能换需要改动还是直插？有改过的大神吗？请赐教。</div><div layer1="text-e"></div><br />