2011 Toyota Tundra Double Cab Owners Manual - Page 557

4-3. Do-it-yourself maintenance Hood Release the lock from the inside of the vehicle to open the hood. Pull the hood lock release lever. The hood will pop up slightly. Pull up the hood catch lever and lift the hood. CAUTION n Pre-driving check Check that the hood is fully closed and locked. If the hood is not locked properly, it may open while the vehicle is in motion and cause an accident, which may result in death or serious injury. 532