How to change a battery?

Remove the batt hold down remove the cables pull battery out replace the cables tighten them reinstall the hold down. you should use a memory saver to hold all of your settings like radio stations climate. This guide can help you step by step with instructions in the diagrams below to show you how on your car.

https://www.2carpros.com/articles/how-to-replace-a-car-battery

REMOVAL
The battery is accessible without removing the right front wheel and tire assembly.
1. Verify that the ignition switch and all accessories are OFF.
2. Turn the steering wheel to the full right position.
3. Disconnect and isolate the negative battery cable remote terminal from the remote battery post.

WARNING: NEVER GET UNDER A LIFTED VEHICLE IF NOT SUPPORTED PROPERLY ON SAFETY STANDS.

4. Remove the air cleaner housing. Refer to the index for the location of the procedure.
5. Remove battery splash shield. Refer to the Body section of the service for the procedure.
6. Disconnect the heater blanket cord, if equipped.
7. Remove the two short bolts from the battery hold down and remove the hold down.
8. Disconnect the positive battery cable from the battery.
9. Slide the battery toward rear of vehicle.
10. Disconnect the negative battery cable from the battery.
11. Remove battery from vehicle.

INSTALLATION
1. Position the battery in the battery tray.
2. Connect the positive and negative battery cables. Torque to 16 Nm (150 in. lbs.).
3. Connect the heater blanket cord, if equipped.
4. Install the battery hold down and install the hold down bolt. Torque to 16 Nm (150 in. lbs.).
5. Install battery splash shield. Refer to the Body section for the procedure.
6. Install the air cleaner housing.
7. Connect the negative battery cable.

Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.

Is this one under the hood or in the fender well?

Hello,

This guide will give you the idea on how to change the battery in your car

https://www.2carpros.com/articles/how-to-replace-a-car-battery

Turn the steering wheel all the way to the right.
Verify that the ignition switch and all accessories are OFF.
Negative Battery Cable Remote Terminal
Disconnect and isolate the negative battery cable remote terminal from the remote battery post.
Remove air cleaner housing.
Remove battery splash shield.
Remove two short bolts to battery hold down.
Slide battery rearward to disconnect the negative and positive battery terminals from battery.
Slide battery toward rear of vehicle and lift out through wheel well opening.
Remove battery from vehicle.

Please let us know if you need anything else to get the problem fixed.

Cheers, Ken

Take the battery out the car, and have it tested at a parts store. Most of them will do it for free. Also check both terminals, make sure that they are free of corrosion and are tight.