Where is the USB port in the 2021 Audi A4?

[WalterDella]

The USB port in the 2021 Audi A4 is located inside the center console. The USB port can be used for: playing music from a USB drive, charging phones and MP3 players, serving as a USB car lighter adapter, connecting electronic devices like radar detectors and dash cams, and charging laptops and tablets. Precautions for using the USB port: 1. Charging should only be done when the car's engine is running to avoid damage to electrical devices due to unstable power supply. 2. Avoid connecting too many devices to prevent overloading and damaging the car battery and alternator. 3. Do not use during thunderstorms to prevent lightning strike accidents. 4. Avoid using the USB port in humid environments as rust or moisture may cause connection failures with USB drives.

[OKai]

As a long-term Audi A4 owner with over a year of experience, I've found the USB ports are quite cleverly hidden. The main front ones are inside the center armrest compartment - lift the lid and feel along the inner side to find two parallel USB-A and Type-C ports. Last time when my friend's phone ran out of battery, I specifically showed her: first open the passenger-side armrest lid, don't flip the middle storage compartment. These ports work best for CarPlay navigation, with cables neatly routed through the gap without interfering with the lid. The rear ports are concealed in a small recess directly below the air vents, requiring you to look down to spot them - very convenient for backseat passengers charging phones. A reminder for new owners: avoid stuffing the armrest with clutter during charging, as it may damage the ports.

[MatteoRose]

Just spent half a day helping my colleague locate the ports in his newly acquired Audi A4. The most frequently used USB port in the front row is hidden deep inside the center console - you have to fully lift the entire console lid to find two sets of ports at the bottom near the driver's side. Surprisingly, the small storage compartment under the center console doesn't have USB, just a 12V power outlet. The rear ports are even more concealed - you need to slide open the black plastic panel near the air vents. This design is quite reasonable as it prevents cables from tangling with the gearshift. I recommend keeping two types of charging cables since the console contains both traditional USB and newer Type-C ports. When my phone's wireless charging pad malfunctions, I simply plug it here, and during navigation, the cable neatly emerges through the console gap.

[MacJulia]

The 2021 Audi A4 has USB ports in three locations. There are two inside the front armrest box, with the metal ports immediately visible upon opening. The storage compartment at the base of the center console is equipped with a Type-C port, requiring a flat-round data cable. The rear one is hidden in the groove below the air conditioning control panel. I often advise people: while driving, using the front ports is safest to avoid distraction from looking at the center console. Choose data cables under 1 meter to ensure the armrest lid closes tightly. There's actually a spare power port hidden in the trunk. For playing music from a USB drive, use the left USB port in the armrest; the right charging port is prone to disconnection. Once, during rainy weather, I encountered poor contact and later found a wet wipe stuck in the gap. Now, I regularly clean the ports with cotton swabs.