The testing center is directly to your left from Highway 35. Hidalgo appears to be the lateral.
https://www.google.com/maps/dir/Centro+Laguna,+Libramiento+A+Chapala,+San+Antonio+Tlayacapan,+Ajijic,+Jalisco/Centro+de+verificación+Responsable,+20+de+Noviembre+545,+El+Nuevo+Fuerte,+47899+Ocotlán,+Jal./@20.3331076,-102.7748677,19.33z/data=!4m14!4m13!1m5!1m1!1s0x842f414aa10778d1:0x6ee6c8566c4451dc!2m2!1d-103.2432272!2d20.2987209!1m5!1m1!1s0x842edf783d808259:0x1bffbb578ffabe1a!2m2!1d-102.7744782!2d20.3329948!3e0