XM ( XMSR) is extending another exclusive contract with a big auto partner.The Washington, D.C., pay-radio broadcaster says Toyota ( TM) has agreed to provide XM radios as factory-installed options in its vehicles until 2017. The renewed pact comes a day after Honda ( HMC) reupped its exclusive agreement with XM until 2016. "We're pleased to extend our agreement with Toyota through 2017, making XM available as the sole provider of factory-installed satellite radio for one of the world's largest and most successful auto manufacturers," XM president Nate Davis said in a press release Wednesday. In addition to Toyota and Honda, XM has exclusive contracts with GM ( GM), Nissan, Hyundai and Porsche. Satellite radio rival Sirius ( SIRI) has partnered with Ford ( F), DaimlerChrysler ( DCX), Volkswagen, BMW and Kia. XM shares were up 15 cents to $14.05, and Sirius was unchanged at $3.71 in premarket trading Wednesday.