2010 Lexus RX 450h User Guide 2 - Page 611
2010 Lexus RX 450h Manual
Page 611 highlights
5-2. Steps to take in an emergency If the vehicle 12-volt battery is discharged The following procedures may be used to start the hybrid system if the vehicle's 12-volt battery is discharged. You can also call your Lexus dealer or a 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 vehicle by following the steps below. STEP 1 Open the hood and remove the engine compartment covers. (→P. 478) STEP 2 Remove the fuse box cover and open the exclusive jump starting terminal cover. STEP 3 5 When trouble arises Connect the jumper cables according to the following procedure: Connect a positive jumper cable clamp to the exclusive jump starting terminal on your vehicle Connect a positive jumper cable clamp to the positive (+) battery terminal on the second vehicle Connect a negative cable clamp to the negative (-) battery terminal on the second vehicle 617