Tim & Roseann,
Suggest you check the Escapees Discussion Forums and post your question under "General RV Information". Lee Jacobs is a frequent poster on Escapees and spends a lot of time in Mexico. She is very knowledgeable of all the various issues that you may encounter.
John & Marilyn Yoder, Sophie & Misha (Bichons)
2008 Vectra 40TD, WIT-151980 FMCA F265880