All SHERLOG system units are subject to a general 24 (twenty four) month guarantee on the conditions of an annual system unit operation check and complying with all regulations within the service contract signed with SHERLOG. The guarantee is valid from the instant of first installing the system unit in a vehicle. Once this initial guarantee runs out and an annual system unit operation check is carried out, theguarantee will be extended for another 12 (twelve) calendar months. All following annual checks will take place 12 (twelve) months after the last check or a reinstall of a unit.
In order to ensure flawless quality service and its effectiveness, annual system unit block operation checks have to be performed. These checks can be done at specialized workshops listed below and / or other referral places communicated to the customer:
| UAB "Baltijos monitoringo centras" | Savanorių pr. 174R, Vilnius |
| UAB „Alto Servisas“ | Kalniečių g. 104, Kaunas |
| UAB „MD Group“ | Islandijos pl. 69, Kaunas |
| UAB „Klaipėdos Altas“ | Dubysos g. 66A, Klaipėda |
| UAB „Šiaulių Altas“ | Pramonės g. 19D, Šiauliai |
| UAB „Marijampolės Altas“ | Gamyklų g. 4 , Marijampolė |
| UAB „Kajetonas“ | Mokolų g. 24, Marijampolė |
| SIA „Rigas monitoringa centrs“ | Dārzciema iela 60A, Rīga, LV-1073 |
| R&P Grupp OÜ | Salon "Audio City" Kadaka tee 3A, Tallinn 10621 |
