It allows customers to enter their vehicle details as well as the date their car needs maintenance or a service.
The service, part of a newly-designed website, will then send a text message or email as a reminder.
The organisation, which aims to help self regulation of independent car workshops and MoT test centres, hopes to “significantly increase” its web traffic, which currently stands at 700 hits a day.
The website, which has more than 2,500 members, sets out what consumers can expect from a Good Garage Scheme member, as well a feedback page on each garage’s profile.
Angelo Chillari, Good Garage Scheme administrator, said that a “professional internet presence for garages was no longer a luxury, but a real necessity”.