Mountain-Snowflake Symbol
We recommend that you use winter or all-season tires carrying this symbol when the temperature is 45 °F (7 °C) or lower, or in snow and ice conditions.
When using winter tires, install them on all wheels and inflate them to the recommended tire pressures listed on the tire label.See  Locating the Tire label . 
WARNING   WARNING:  Wheels and tires must be the same size, load index and speed rating as those originally fitted on the vehicle. Use of any other tire or wheel can affect the safety and performance of your vehicle. Additionally, the use of non-recommended tires and wheels can cause steering, suspension, axle, transfer case or power transfer unit failure. Follow the recommended tire inflation pressures found on the Safety Compliance Certification label, or the Tire Label on the B-Pillar or the edge of the driver door. Failure to follow this instruction could result in loss of vehicle control, vehicle rollover, or personal injury or death.