179Technical dataTyresNot 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 3 114.Winter tyres 3Tyre siz es 185/60 R 15, 185/65 R 15,195/45 R 16 and 195/50 R 16 are notpermitted for winter driving.Ex cep tion: Tyres of size 185/60 R 15 ma y b eused as winter tyres.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 3 117.Tyre ch ains 3Ty re c hains may be used on the frontwheels only.We recomm end the use of tyre chains witha fine mesh that add no more than 10 mmto the running surface a nd the insid es ofthe tyres (including chain lock).Ty re chains are not permitted on the sparewheel and tyres sizes 185/60 R 15,185/65 R 15, 195/45 R 16 and 195/50 R 16.Exception: Tyre chains on ty res of siz e185/60 R 15 a re permitted.Ty re c hains are generally permitted ontyres of size 185/55 R 15.Further inform ation 3 118.WheelsWheel bolt tightening torque: 110 N m.Spare wheel 3Depending on the version, the sp are wheelis designed for use as a temporary sparewheel 3 : the handling of the vehicle maychange if the spare wheel is used. Replacea defectiv e ty re as soon as possible,bala nce the wheel and fit it to vehicle. Payattention to notes on this p age and on3 118, 3 128.O n vehicles with alloy wheels 3 the spa rewheel m ay have a steel rim.The spare wheel can b e fitted with asmaller tyre1 ) and a sm aller rim than thewheels fitted on the vehicle.Tyre pressure in psi / bar 2)The specified ty re pressure are v alid forcold ty res. The increased ty re pressureresulting from ex tensiv e d riv ing must notbe reduced. The ty re pressure spec ified onthe following pages ap ply to both summerand w inter tyres.The spare wheel m ust alway s be filled withthe ty re pressure for a full load - see ta bleson follow ing pages.Temporary spare wheel tyre pressure 3 –see tables on the following p ages.Further information 3 114 to 3 118.1) Co untry-specific version: Th e spa re w heel isonly permitted for use a s a temp ora ry s pa re.2) 1 ba r corresp on ds to 100 kPa / 14.5 p si.