Opel Antara Owner's Manual page 220

220 Tec hnic al data
The Vehicle Identification Numb er (VIN)
is also engrav ed on the top rig ht-hand side
of the b ulkhead near the centre of the
engine firewall.
Engine identifier code a nd engine number:
stamped on the cy linder block under the
engine's ex ha ust m anifold (petrol engines),
or the intake ma nifold (diesel engines).
Coo lant, brake fluid, oils
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 216.