 | Looking for a certified H1 technician to service your HUMMER H1? Look no further! Tustin HUMMER has the #1 HUMMER H1 service center on the West Coast! Tustin HUMMER is the home of not 1, but 2 GM World Class Technicians.

We are committed to provide superior service to all HUMMER (INCLUDING HUMMER H1) and GM vehicle customers through their expertise achieved through GM training and technology. Click HERE to schedule a service appointment today! |  |