Opel manuals: for current and previous Opel vehicles Find free manuals for Opel vehicles, current models and previous models. CARS. Start; CARS; Astra Hatchback. CARS; Astra Hatchback; Overview; Compare Models; Technical Specifications Opel Astra GTC 2018. Owners manual Infotainment manual. Opel Astra GTC 2018.5. Owners manual Infotainment manual. Opel Combo 2010 Owners manual. Opel Combo 2010.5. OPEL ASTRA OWNER'S MANUAL Pdf Download. Experienced mechanics ■ The Owner's Manual uses the maintenance" and "Technical data" trained by Opel work according to factory engine designations. The as well as on the identification plate. specific Opel instructions. corresponding sales designations.. Page 6 Text marked Caution provides information on possible damage to the vehicle.