2010 Toyota Venza Owners Manual - Page 296

3-1. Using the air conditioning system and defogger Rear window defogger Clear the rear window using the defogger. With automatic air conditioning system On/off The defogger will automatically turn off after 15 or 60 minutes. This operation time changes according to the ambient temperature and vehicle speed. Pressing the switch again also turns the defogger off. With manual air conditioning system 274