2010 Toyota Tundra Regular Cab Owners Manual - Page 1371

5-2. Steps to take in an emergency If the vehicle battery is discharged . The following procedures may be used to start the engine if the vehicle's battery is discharged. You can call your Toyota dealer or qualified repair shop. If you have a set of jumper (or booster) cables and a second vehicle with a 12-volt battery, you can jump start your Toyota following the steps below. Connect the jumper cables. 4.0 L V6 (1GR-FE) engine 5 4.6 L V8 (1UR-FE) and 5.7 L V8 (3UR-FE, 3UR-FBE) engines When trouble arises 631