Late July API update (reflected in 1d31d1a) broke the vehicle location API.
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>404 Not Found</title>
</head><body>
<h1>Not Found</h1>
<p>The requested URL /api_v190426_NE/gdc/MyCarFinderRequest.php was not found on this server.</p>
</body></html>
Late July API update (reflected in 1d31d1a) broke the vehicle location API.
I haven't found an alternative yet.