( CNN ) -- Answers about the crash that killed actor Paul Walker and his friend Roger Rodas may be in the computer system of the rare Porsche they were riding in . Investigators from the Los Angeles County Sheriff 's Department will meet with engineers from Porsche next month to analyze the data retrieval system , the department said . That system could shed light on the car 's speed , throttle opening , air bag deployment , seat belt use and possibly other information from the time of the crash . Walker , the 40-year-old star of the `` Fast & Furious '' franchise , died on November 30 when the 2005 Porsche Carrera GT he was riding in slammed into a pole and burst into flames . Rodas was behind the wheel . Porsche Carrera GT : 5 reasons the car Paul Walker died in is different . The exact cause of the crash remains unclear , but witnesses told authorities the car was speeding near a business park in the Santa Clarita community of Valencia , California . The posted speed limit in the area is 45 mph . A toxicology report , which could show if drugs or alcohol played a role in the accident , wo n't be available for several more weeks . Walker was attending a holiday toy donation event for his charity , Reach Out WorldWide , on the day of the crash when he hopped into the car with Rodas for a ride , witnesses said . 5 things to know about Roger Rodas . After the crash , Los Angeles authorities arrested a man accused of swiping a piece of the charred Porsche while it was on a tow truck . Thousands of fans across the country mourned Walker 's death on social media and at the scene of the crash , where Walker 's co-star Tyrese Gibson broke down sobbing as he laid a yellow flower at the site . Paul Walker purchased wedding ring for U.S. soldier . Walker was in the middle of filming the seventh `` Fast & Furious '' movie when he died . Universal Pictures said it has put production on hold `` for a period of time so we can assess all options available to move forward with the franchise . '' 'Hours ' director : Paul Walker was excited about new career direction . CNN 's Alan Duke contributed to this report .
Valencia authorities and Walker engineers will meet in January . Roger Rodas and Paul Walker died in a Porsche Carrera GT on January . The car 's computer system could shed light on the car 's speed and seat belt use . The exact cause of the crash remains under investigation .