2013 Toyota Tundra CrewMax Owners Manual - Page 610

5 -2 . St e ps t o t a k e in a n e m e rge nc y I f t he ve hicle bat t e r y is discha rge d . 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. 4.0L V6 (1GR-FE) engine 4.6L V8 (1UR-FE) and 5.7L V8 (3UR-FE, 3UR-FBE) engines 650