136 Wheels, tyresWinter tyres 3For notes on fitting new tyres –see page 132.See page 205 for restrictions.Winter tyres improve safety attemperatures below 7 °C and shouldtherefore be fitted on all the wheels.The design of summer tyres means theyhave limited qualities for winter driving.If the maximum permissible speed for thewinter tyres is less than that of the vehicle,a notice indicating the maximumpermissible speed for the tyres must beaffixed within the driver’s field of vision 1).Use of a spare wheel fitted with a summertyre may affect the vehicle’s driveability,especially on slippery road surfaces.Obtain a replacement for the faulty tyre assoon as possible, and have the wheelbalanced and fitted to the vehicle.Wheel trims 3If the wheel trims and tyres used are notVauxhall-approved, make sure that thetyres do not have a beaded edge -see page 133.Picture no: 6459u.tifTyre chains 3See page 205 for restrictions.Tyre chains are only permitted on the frontwheels. They must be fitted to the tyressymmetrically in order to achieve aconcentric fit.Always use fine mesh chains that add nomore than 10 mm to the tyre tread and theinboard sides (including chain lock).We recommend that you consult yourVauxhall Authorised Repairer.1) Varies from country to country on account ofnational regulations.