2009 Toyota Camry Owners Manual - Page 165
2009 Toyota Camry Manual
Page 165 highlights
3-1. Using the air conditioning system and defogger Steering wheel switches Some air conditioning features can be controlled using the switches on the steering wheel. Temperature selector "DUAL" button indicator on: Individual setting on the driver's side only. "DUAL" button indicator off: Simultaneous setting on the driver's and front passenger's sides. 3 Automatic mode Off