In this guide, you will find step-by-step instructions on how to charge a Lexus battery
Risk of fire. Do not leave the vehicle unattended. 

What you will need

Procedure

  1. Park vehicle in a secure area.2004-Lexus-ES-330 parked
  2. Turn off the ignition. Remove the key from the ignition.2007-Lexus-IS-250 ignition
  3. Pull the hood release under the dashboard and open the hood. 2013-Lexus-GS-350 hood lever
  4. Locate the battery in the engine bay, on driver's side. Battery may be covered with a plastic cover. Remove it if necessary to access the battery. Lexus battery location

     

  5. Connect the red clamp from your charger to the positive (+) battery terminal. How to charge lexus battery

     

  6. Connect the black clamp from your charger to the frame, ground point, engine bolt. Do not connect the black clamp directly to the negative battery post. 
  7. Plugin your car trickle charger to a wall outlet. 
  8. Set the charge rate between 1 and 15 Amperes. The lower the ampere rate, the longer it will take to charge the battery. 
  9. Allow your Lexus car battery to charge for a few hours. Do not close the hood or you may short the wires for the charger. 

Do not leave your Lexus unattended while the battery is charging.  Monitor the battery temperature. Disconnect charger if the battery starts to overheat. 

 

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