TOYOTA 2011 Tundra - Manual (Page 654)

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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 vehi-
cle 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