Sales Support

Doug Campbell,
Account Manager, School Bus
800-951-7867 ext 1244

Warranty & Technical Support

704-247-9300 ext 1371
Technical Support:
Warranty Support:

Someone will respond to your call or email as quickly as possible. In order to serve you better, we ask that you have the following information ready:

  • Model of Vehicle.
  • Year of Vehicle.
  • Area of concern on the vehicle (i.e. crossing arm, stop arm, door mechanism, etc..)
  • SMI Product Part Number.
  • A description of your problem (electrical, mechanical, etc.).
  • To expedite warranty calls/claims please include a digital picture of the silver part number sticker found on the unit as part of your communication.

The more information we have, the more quickly we can get you an answer. While you are waiting, please browse our self-help technical bulletins.