307Service, maintenanceVehicle decommissioningObserve national regulations.If the vehicle is to be parked for severalmonths, to avoid damage have thefollowing work performed by a workshop.z Wash and preserve the vehicle, seepage 289.z Check corrosion protection in enginecompartment and on underbody andrepair if necessary.z Clean and wax the rubber seals of thebonnet, doors and roof. Intermediateposition of the Astra TwinTop roof forcleaning – see page 58.z Change engine oil, see page 300.z Check antifreeze and corrosionprotection, see page 301.z Check the coolant level, top up withantifreeze if necessary, see page 301.z Empty windscreen wash system andheadlight wash system.z Increase tyre pressure to value specifiedfor full load, see page 337.Vehicle storagez Park vehicle in dry, well ventilated place.With manual transmission orEasytronic 3, engage 1st or reversegear. With automatic transmission 3,move selector lever to P. Use chocks orthe like to prevent the vehicle fromrolling.z Do not apply handbrake.z Disconnect battery by disengagingnegative terminal from vehicle electricalsystem, see page 306.Vehicle recommissioningObserve national regulations.Perform the following work beforerecommissioning the vehicle:z Connect battery, see page 306.z Check tyre pressure and correct ifnecessary, see page 337.z Fill up windscreen wash system, seepage 305.z Check engine oil level, see page 298.z Check the coolant level; top up withantifreeze if necessary, see page 301.z Fit the number plates if necessary.
