Opel GT Owner's Manual page 174

174 Tec hnic al data
The serv ice p arts identifica tion label is
located in the glove compa rtm ent.
Information on la bel:
z Vehicle option code
z Vehicle identification number (VIN)
z Engineering model number
(v ehicle division, line and body sty le)
z Interior trim lev el and decor
z Exterior (pa int colour) WA num ber
z Paint technology
z Spec ia l ord er paint colours a nd numb ers
Coo lant, oils, brake/clu tc h fluid
Use approved fluids only .
Use of unsuitab le fluids could cause serious
damage to the vehicle.
Engine oils
Information on engine oils is availab le on
pag e 170.