RepairPal Certified shops can diagnose and repair your 2001 Hyundai XG300. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
Suspect (blown) high amperage fuse in under hood fuse / relay box..
Fuse will likely be larger in actual size than the others - probably 30 amp or higher.
'IF' unfamiliar with auto repair techniques - seek *hands-on* help from qualified personnel..
Good luck!