216 Tec hnic al D ataTyresRestricti onsNot a ll tyres ava ila ble on the marketcurrently meet the structural requirem ents.We recommend that you consult aVauxhall Authorised Repairer concerningsuitab le tyre mak es.These ty res have und ergone special teststo establish their reliab ility , safety andspecific suitability for Vaux hall vehicles.Despite continuous ma rk et monitoring, weare unab le to assess these attributes forother tyres, ev en if they hav e been g ra ntedapprova l by the relevant authorities or insom e other form.Further information – see pa ge 158.Winter tyres 3Tyres of size 205/50 R 16 are not suitablefor use as winter ty res ex cept on v ehicleswith the Z 16 LET 1 ) engine.Tyres of size 205/45 R 17 are not suitablefor use as winter ty res.If winter tyres are in use, the spare wheelmay still be fitted w ith a summ er ty re. Useof the spare w heel may a lter vehicleha ndling. Obtain a replacement for thefa ulty tyre as soon as possible, and hav ethe wheel balanced and fitted to thevehicle.Further inform ation – see page 162.Tyre ch ains 3Ty re c hains may be used on the frontwheels only.We rec om mend the use of fine-link chainswhic h add no more than 10 m m to thetread a nd tyre inner wall with (includ ingcha in lock ).Ty re chains are not perm itted on tyre sizes205/50 R 16 a nd 205/45 R 17.Further inform ation – see page 162.WheelsWheel bolt tightening torque: 110 N m.Spare wheel 3Depending on design, the spare wheel isdesigned as a temporary spare wheel 3 .When using the spare wheel, the d riv ingbehaviour may be modified. Replace thefaulty tyre as soon a s possible, b alance thewheel and refit to vehicle. Follow the noteson this page and on pages 162, 178.O n vehicles with alloy wheels 3, the sp arewheel m ay have a steel rim.The spare wheel ma y be fitted w ith asmaller ty re 2) a nd a smaller w heel than thewheels fitted to the vehicle.Tyre pressure in bar / psi 3)The specified ty re pressures are valid forcold ty res. The increased ty re pressureresulting from ex tensiv e d riv ing must notbe reduced. The tyre pressures specified onthe following pages ap ply to both summerand w inter tyres.The spare wheel m ust a lways be inflated tothe tyre p ressure for a full load – see tableon nex t page.Further information –see pages 158 to 162.1) Sa les desig nation – see pa ge 20 8, 209.2) Co untry-specific version: In so me countries,the s pa re w heel m ay on ly b e used a s atem porary spa re wheel.3) 1 ba r corresp on ds to 100 kPa / 14.5 p si.