2008 Toyota Camry Owners Manual - Page 348

6-1. Specifications *1: 0W-20 is the oil that provides the optimal level of fuel efficiency. *2: 5W-30 is the oil that provides the optimal level of fuel efficiency. Oil viscosity l The 5W portion of the oil viscosity rating indicates the characteristic of the oil which allows cold startability. Oils with a lower value before the W allow for easier starting of the engine in cold weather. l The 30 in 5W-30 indicates the oil viscosity when the oil is at its operating temperature. An oil with a higher viscosity may be better suited if the vehicle is operated at high speeds, or under extreme load conditions. 432