2019–2023 Hyundai Santa Fe

2019-2023 Hyundai Santa Fe - Battery

By Ray Delgado ✓ Certified Mechanic · Published Sep 21, 2026 · Updated Oct 22, 2026

🔧 Easy 20–30 minutes $140 DIY

Save $110 by doing it yourself! Shop cost: $250

Quick answer: Battery on a 2019–2023 Hyundai Santa Fe is rated Easy and takes about 20–30 minutes. You'll need 2 tools for this job, and parts cost about $140. This guide walks you through the full job step by step, including the mistakes to avoid.

Quick Video Tutorial

Parts You Need

Total Cost

$140.00

Part Name	Part Number	Price	Buy
Group-size battery (match your tray)	—	$140.00	Amazon

About prices: shown prices are typical retail averages and change frequently; cheaper alternatives may be available. Confirm the current price before buying.

💡 Pro tip: Order all parts at once to save on shipping

Step-by-Step Instructions

Follow these steps carefully

Get set: park it, kill everything, open the hood

Switch off headlights, climate fan, and unplug anything from USB and 12-volt outlets. Let the engine cool a few minutes if you just drove; you're working right next to hot parts.

Uncover the battery on the driver's side

Snap a quick phone photo of the layout. Note: on hybrid and plug-in hybrid Santa Fes the 12-volt battery lives in the rear of the vehicle — check the owner's manual if yours is a hybrid.

🔧 Mechanic's note — Ray Delgado

Hybrid owners: your 12-volt isn't under this hood — it's in the rear. I once watched someone pull apart half the engine bay before checking the manual.

Take the negative cable off first

Loosen the negative terminal nut with a 10mm socket, turning counter-clockwise just until the clamp wiggles free. Twist the cable end side to side while lifting it off the post — never pry against the post with a metal tool.

Free the positive cable

Lift the red cap off the positive terminal and loosen its 10mm nut the same way. Keep a mental note — or your photo — of which cable sat where; the positive cable on this side runs toward the fuse box.

Remove the hold-down clamp at the battery's base

Remove its bolt with a socket and extension — you'll need the extension to reach down alongside the battery without skinning your knuckles. Test-wiggle the battery; if it still won't move, double-check you removed the full clamp and not just one side of it.

Lift out the old battery and prep the new one

Lift the old battery straight up with both hands, keeping it level — it weighs roughly 40 pounds, so bend your knees, not your back. Set it terminals-up, away from your work area. Set the new battery in place.

Reconnect positive first, negative last, and verify

Push the positive cable onto its post first and tighten the 10mm nut until the clamp won't rotate by hand, then press the red cap back on. Give both clamps a firm tug test, then snap the plastic battery cover back on.

All Done!

Test your repair before closing everything up. If something doesn't work right, double-check your steps.

⚠️ Common Mistakes to Avoid

• Forgetting to remove the plastic battery cover first and wrestling with the terminals through it.
• Bending or yanking the negative cable and damaging the small sensor module on it.
• Skipping the hold-down clamp on reinstall — a loose battery bounces, cracks its case, and shorts against the hood.
• Buying a battery without matching the old one's label for size and terminal layout.

Tools You'll Need

10mm socket Ratchet and socket extension Wire brush or battery terminal cleaner Work gloves Safety glasses Rag or shop towels

Related Trouble Codes

P0562 System Voltage Low

⚠️ Safety First!

• Wear gloves and safety glasses — battery acid burns skin and eyes.
• Disconnect the negative cable first and reconnect it last, every time.
• Never bridge the positive terminal to the body with a wrench or other metal.
• Keep the battery level while carrying it; tipping can spill acid.
• No sparks, cigarettes, or open flame nearby — batteries vent explosive hydrogen gas.