Black plate (74,1)Cadillac STS Owner Manual - 2011Tire Chains{ WARNING:If your vehicle has P255/45R17, P255/45ZR18,or 255/45ZR18 size tires, do not use tire chains,as there is not enough clearance.Tire chains used on a vehicle without the properamount of clearance can cause damage to thebrakes, suspension, or other vehicle parts. Thearea damaged by the tire chains could cause youto lose control of the vehicle and you or othersmay be injured in a crash.Use another type of traction device only if itsmanufacturer recommends it for use on yourvehicle and tire size combination and roadconditions. Follow that manufacturer'sinstructions. To help avoid damage to the vehicle,drive slowly, readjust, or remove the device if it iscontacting the vehicle, and do not spin thevehicle's wheels.If you do find traction devices that will fit, installthem on the rear tires only.Notice: If your vehicle has P235/50R17 size tires,use tire chains only where legal and only when youmust. Use only SAE Class S‐type chains that are theproper size for your tires. Install them on the reartires and tighten them as tightly as possible with theends securely fastened. Drive slowly and follow thechain manufacturer's instructions. If you can hearthe chains contacting your vehicle, stop andretighten them. If the contact continues, slow downuntil it stops. Driving too fast or spinning the wheelswith chains on will damage your vehicle.If a Tire Goes FlatIt is unusual for a tire to blowout while you are driving,especially if you maintain your vehicle's tires properly.If air goes out of a tire, it is much more likely to leak outslowly. But if you should ever have a blowout, here area few tips about what to expect and what to do:If a front tire fails, the flat tire creates a drag that pullsthe vehicle toward that side. Take your foot off theaccelerator pedal and grip the steering wheel firmly.Steer to maintain lane position, and then gently brake toa stop, well off the road, if possible.6-74
