These are sometimes accessed from the bottom and need to be removed for service. Most bmw and mercedes benz batteries and a few others are located in the trunk, concealed in an isolated compartment.
[header] How to check car battery water levels [title] Locate the battery. [step] In most cars, you simply need to open the hood of your car to access the battery. [substeps] Some batteries are located lower in the engine compartment, behind the front bumper and ahead of the front wheels.