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Where is the auxiliary battery located in the Infiniti QX30?

2 Answers

DelKhloe

07/24/25 4:33am

The auxiliary battery of the Infiniti QX30 is located on the right side of the engine compartment. Avoid prolonged parking of the vehicle: The battery installed in the car will self-discharge during long periods of inactivity, so it is best to drive the car at least once a week, preferably for a journey of more than 20 minutes, to allow the battery to recharge while the vehicle is in motion. Close windows before turning off the engine: The operation of the car's windows and sunroof relies on battery power, so it is advisable to close all windows before turning off the engine, rather than after, or even using the long-press lock button method to close the windows after leaving the car. Keep the battery clean and tidy: Regular inspection is an effective way to extend the service life of the car battery. Use a professional battery electrode brush or an old toothbrush to clean dust and corrosion from the positive and negative terminals. Apply a layer of protective film by coating the contact surfaces with Vaseline or a fatty substance.

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Clayton

08/11/25 12:12am

The auxiliary battery of the Infiniti QX30 is typically located under the floor of the trunk, near the right wheel. I've checked some manuals myself—since it shares a platform with the Mercedes-Benz GLA, the design approach is similar. The auxiliary battery mainly supports the start-stop system or powers entertainment devices, unlike the main battery in the engine bay. To find it, lift the trunk mat, and you'll see a cover; opening it reveals the small battery. If you can't locate it, clues might also be found near the tool kit in the trunk. During maintenance, it's advisable to regularly check for loose or corroded connections. The battery lifespan is generally 3-5 years, and frequent start-stop usage accelerates aging, which can lead to unexpected stalling or electrical failures. Pay attention to the battery's condition while driving. If you encounter startup issues, stay calm and contact a professional repair shop for safety. After all, the hidden battery placement is for aesthetics and component protection.

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