One problem related to battery dead has been reported for the 2009 Toyota Venza. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2009 Toyota Venza based on all problems reported for the 2009 Venza.
Purchased 3 wks ago; when rear hatch is opened and closed the battery goes dead. This has happened 4 times. Car was stationary.