Originally Posted by m4a1mustang

Summer tires turn into hockey pucks in the cold. They are not recommended to be used at temps below 40 degrees as they are very dangerous until you are able to get some temperature in them (takes about 15 minutes or more of regular driving to get them to start gripping).

Just take it very easy until you are able to get them warmed up. They have no grip when they are cold... none!