Does a Tesla Model 3 need oil changes?

No, there's no engine oil, no spark plugs, no belts, and no transmission service. The drive units have sealed gear oil and the battery coolant is filled for life, with no scheduled replacement in the owner's manual. What Tesla does publish: tire rotation every 6,250 miles, cabin filter every 2 years, brake-fluid health test every 4 years, yearly caliper cleaning where roads are salted, and an A/C desiccant bag at 4–6 years.

Should I charge my Model 3 to 80% or 100%?

It depends on which battery you have. RWD/Standard Range cars built since late 2021 use an LFP pack, and Tesla's guidance for LFP is the opposite of the usual advice: keep the limit at 100% and fully charge at least once a week so the pack's range estimate stays calibrated. Long Range and Performance (and pre-2022 SR+) use nickel-based packs: daily limit around 80–90%, 100% for trips only. The 2024 manual defers to the car itself: your charging screen shows the recommended daily and trip limits, so follow it, not the internet.

How long is the Model 3 battery and drive unit warranty?

8 years/100,000 miles on Standard Range and RWD versions; 8 years/120,000 miles on Long Range and Performance: whichever comes first, with a guarantee of at least 70% battery capacity retention over that period. The basic vehicle warranty is 4 years/50,000 miles. Coverage runs from the original delivery date and transfers to used buyers.

What kind of 12V battery does a Model 3 have, and why does it matter?

2017–2021 cars: a conventional 12V lead-acid battery that often lasts only 3–4 years and takes the whole car down when it dies. 2022 and newer: a 15.5V lithium-ion unit (about 6.9 Ah) designed to last many years longer. Either way it's a Tesla-specific part, the touchscreen warns you when it's weakening, and letting the main battery sit at 0% can kill it: damage that isn't covered by warranty.

How much range does a Model 3 lose in winter?

Plan on roughly 20–30% less in freezing temperatures, worse with highway speeds and short trips. 2021+ cars have a heat pump, which helps a lot versus the resistive heater in 2017–2020 cars. Real mitigations: precondition while plugged in, use seat heaters instead of blasting cabin heat, keep tires at spec (they lose about 1 psi per 10°F drop), and keep firmware current; the 22V-050 recall fixed a bug that could kill heat entirely in deep cold.

Can I plug an OBD-II scanner into a Model 3?

No, there's no OBD-II port and no generic P-codes. The car reports faults as named alerts (like BMS_a079) on the touchscreen and in the app, and a built-in Service Mode exposes deeper diagnostics. Third-party harness adapters exist for the diagnostic connector, but a standard scan tool from the parts store won't talk to this car. Our Tesla alert guides decode the common alerts.

2017–2024 Tesla Model 3 Maintenance & Fluid Specs

Quick answer

A 2017–2024 Tesla Model 3 needs no oil changes, spark plugs, or transmission service: drive units and battery coolant are sealed for life. Tesla's published maintenance: rotate tires every 6,250 miles, cabin filter every 2 years, brake-fluid health test every 4 years, and respect the low-voltage battery.

Specs verified against Tesla's official 2024 Model 3 owner's manual (which covers the Highland refresh); earlier-year differences are flagged where they exist. Know this up front: the Model 3 has no OBD-II port and never throws generic P0xxx codes, problems surface as named touchscreen alerts (BMS_a079 style) on the screen and in the app, which we cover in our Tesla alert guides. Recalls still work by VIN like any car; use our tool below. US variants: Standard Range / RWD (2017–2024, Tesla switched its battery to LFP chemistry in late 2021, which changes the charging advice), Long Range Dual Motor AWD and Performance (2018–2024), plus a short-lived Mid Range in 2018–2019. The heavily restyled 2024 'Highland' kept the same maintenance schedule.

Want the full owner’s manual? It’s free: we link you to your make’s official download →

RWD / Standard Range (2017–2024, LFP battery pack from late 2021)

Specification	Capacity / type
Rear drive unit (single-speed, sealed)	Sealed, the owner's manual lists no scheduled drive-unit fluid service · Tesla synthetic drive-unit gear oil
Coolant (engine)	Sealed battery/powertrain loop. Tesla says it lasts the life of the vehicle under most circumstances; opening the reservoir voids that part of the warranty
Low-voltage battery (all versions)	12V lead-acid (2017–2021 builds) → 15.5V Li-ion ~6.9 Ah (2022+ builds), Tesla-specific part, verify yours
Brake fluid (all versions)	Health check every 4 years, replace if needed; no fixed flush interval · Checked by Tesla, the manual says do not top up
Windshield washer reservoir (all versions)	3.2 L (0.85 gal), the only reservoir Tesla asks owners to top up · Ethanol-based automotive washer fluid, winter-rated below 40°F (4°C)

Long Range Dual Motor AWD (2018–2024)

Specification	Capacity / type
Front + rear drive units (single-speed, sealed)	Sealed, no scheduled replacement · Tesla synthetic drive-unit gear oil
Coolant (engine)	Sealed battery/powertrain loop, life-of-vehicle, no owner service

Performance Dual Motor AWD (2018–2024)

Specification	Capacity / type
Front + rear drive units (single-speed, sealed)	Sealed, same no-service status as the other versions · Tesla synthetic drive-unit gear oil
Coolant (engine)	Sealed battery/powertrain loop, life-of-vehicle, no owner service

Capacities compiled from the owner’s manual. Always confirm with your own manual before servicing.

Quick reference

Factory tire sizes	235/45R18 (18") · 235/40R19 (19") · 20": 235/35R20, 2024 Performance runs staggered 235/35R20 front / 275/30R20 rear
Cold tire pressure	42 psi on most factory sizes, always confirm your door-pillar label
Lug nut torque / socket	129 lb-ft (175 N·m) · 21 mm socket
Wiper blades (driver / passenger)	26" (650 mm) / 19" (475 mm), Tesla says replace at least once a year
Cabin air filters	2 filters behind the passenger-side panel of the center console, every 2 years
Low-voltage battery	12V lead-acid (2017–2021) · 15.5V Li-ion, ~6.9 Ah (2022+); Tesla-specific part
Towing	Not rated, the manual says the Model 3 does not support towing

A/C refrigerant & compressor oil

Years / engine	Refrigerant	Charge	Compressor oil
2017-2024 all trims: vehicles labeled R-1234yf (most common, esp. later/US-market cars). Check the A/C label on the RH frunk trim to confirm.	R-1234yf	25.75 oz (730 g)	POE: Denso ND-11 (or equivalent, e.g. RB100EV); Tesla p/n 1023305-00-A. NOT PAG., 5.3 oz
2017-2024 all trims: vehicles labeled R-134a (region-dependent; appears on some early/non-US cars per Tesla SM). Type is set by region/label, NOT a clean year breakpoint.	R-134a	27.16 oz (770 g)	POE: Denso ND-11 (or equivalent); Tesla p/n 1023305-00-A. NOT PAG., 5.3 oz

⚠ Refrigerant type and charge can change by model year and trim. Always confirm against the under-hood A/C charge label on your specific vehicle before recharging: that decal is the authoritative source. A wrong charge, or the wrong oil (PAG vs. POE), can damage the compressor.

How to read A/C gauges: pressure chart & diagnosis →

Maintenance schedule highlights

Item	Interval
Tire rotation	Every 6,250 mi, or when front/rear tread difference reaches 2/32"
Cabin air filter	Every 2 years
Brake fluid	Test health every 4 years; replace if needed
Brake calipers: clean & lubricate (salted-road regions)	Every year or 12,500 mi
A/C desiccant bag	Every 4 years: Tesla extends this to 6 years for cars built roughly 2017–2021
Wiper blades	At least once a year

Exact products for this vehicle

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DIY maintenance: quick steps

1 Rotate the tires: it's the big one

Every 6,250 miles, or sooner if front/rear tread differs by 2/32". Instant torque plus a heavy battery wears EV tires fast, and skipping rotations is the most expensive habit in Model 3 ownership. Use jack pucks at the four lift points so the jack never touches the battery pack; lug nuts go back on at 129 lb-ft with a 21 mm socket, and pressures come from the door-pillar label (42 psi on most factory sizes).
2 Top up the washer fluid: the only fluid you fill

Tesla says it plainly: the 3.2 L (0.85 gal) washer reservoir behind the frunk is the only reservoir owners add fluid to. Check it monthly, use ethanol-based automotive washer fluid, and switch to winter-rated fluid below 40°F: the manual warns plain water can grow bacteria in the system and freeze when you need it most.
3 Respect the low-voltage battery

When this battery dies, the whole car goes dark: handles, screen, and the high-voltage system all need it to wake up. 2017–2021 cars use a 12V lead-acid unit many owners replace proactively every 3–4 years, especially in hot climates; 2022+ cars carry a far longer-lived 15.5V Li-ion battery. Treat a 'replace low voltage battery' alert as urgent, and never let the main battery sit at 0%: that's how 12V batteries die uncovered by warranty.
4 Glance, don't wrench: brake fluid and coolant

There is no oil change, and there's no dipstick ritual either. The manual is explicit: don't top up brake fluid, and never open the battery coolant reservoir; that damage is excluded from warranty. Your job is the glance: watch the touchscreen for fluid alerts, press the brake pedal firmly now and then to dry the rotors (regen means the pads barely work and can rust), and let the 4-year brake-fluid health check catch the rest.

Common problems on this vehicle

Heat pump lost cabin heat in deep cold: recall 22V-050 (2021–2022)

In February 2022 Tesla recalled 26,681 cars, including 2021–2022 Model 3s, because a firmware error could leave the heat pump's electronic expansion valve open, trap refrigerant in the evaporator, and shut the compressor down, killing cabin heat and windshield defrost exactly when it's brutally cold (NHTSA 22V-050; the defect cited firmware 2021.44 through 2021.44.30.6). The fix was an over-the-air update (2021.44.30.7 and later), so nearly every car was patched without a service visit. If a used 2021–2022 Model 3 blows cold air in winter, update the firmware first, then book service.

Rearview camera goes black: trunk harness recall 21V-00D (2017–2020)

Tesla recalled 356,309 Model 3s built July 2017 through September 2020 because the trunk lid's coaxial camera cable can wear through from years of opening and closing, when the core separates, the backup camera feed dies (NHTSA campaign 21V00D000, December 2021). This one needs a physical fix: Tesla inspects the harness, adds a guide protector if wear is within spec, or installs a new harness if it isn't, free either way. If your 2017–2020 car's camera flickers or blacks out when the trunk moves, run the VIN and book it.

12V battery strandings (the lead-acid era, 2017–2021)

Early Model 3s use a conventional 12V lead-acid battery, and when it dies the whole car goes dark with little warning, sometimes within 2–3 years in hot climates. Tesla switched the Model 3 to a 15.5V lithium-ion low-voltage battery with the 2022 refresh (January 2022 was the transition month on US lines), and the Li-ion unit has proven far longer-lived. If you own a lead-acid car: take the 'replace low voltage battery' alert seriously the first time, and consider proactive replacement every 3–4 years; it's a normal wear item priced in the low hundreds. If the car is ever fully dark, the manual's jump procedure uses terminals behind the front tow-eye cover, 20 seconds of external power maximum.

Seat belt chime could stay silent: recall 24V-376 (2017–2023)

In May 2024 Tesla recalled 125,227 vehicles, including 2017–2023 Model 3s, because the seat belt warning light and chime could fail to activate with an unbuckled driver (NHTSA 24V-376, Tesla bulletin SB-24-00-008). The remedy was a free over-the-air software update that began deploying in June 2024, most cars fixed themselves overnight. Worth a VIN check if your car has been offline or you bought it used.

Front-end creaks: the control-arm lore, honestly framed

Forums make early Model 3 suspension creaks sound universal; they aren't, but they're documented. Tesla service bulletin SB-20-31-006 covers water working into the front upper control arm ball joints on early Model 3 (and Model Y) builds, causing a creak when steering at low speed under load. Tesla classifies it as noise-only, not a safety failure, and the fix is resealing the joints rather than replacing the arms. Separate clunks over bumps are usually sway-bar end links: ordinary wear on a heavy EV. On a test drive, full-lock turns in a quiet parking lot will tell you quickly.

Recall results below are shown for 2024 models; check your exact year with the free VIN tool.

Open recalls

Checking NHTSA for open recalls…

Service bulletins (TSBs)

Manufacturer communications and technical service bulletins for this vehicle are available on NHTSA’s site:

View TSBs on NHTSA.gov ↗

Frequently asked questions

Does a Tesla Model 3 need oil changes?: No, there's no engine oil, no spark plugs, no belts, and no transmission service. The drive units have sealed gear oil and the battery coolant is filled for life, with no scheduled replacement in the owner's manual. What Tesla does publish: tire rotation every 6,250 miles, cabin filter every 2 years, brake-fluid health test every 4 years, yearly caliper cleaning where roads are salted, and an A/C desiccant bag at 4–6 years.
Should I charge my Model 3 to 80% or 100%?: It depends on which battery you have. RWD/Standard Range cars built since late 2021 use an LFP pack, and Tesla's guidance for LFP is the opposite of the usual advice: keep the limit at 100% and fully charge at least once a week so the pack's range estimate stays calibrated. Long Range and Performance (and pre-2022 SR+) use nickel-based packs: daily limit around 80–90%, 100% for trips only. The 2024 manual defers to the car itself: your charging screen shows the recommended daily and trip limits, so follow it, not the internet.
How long is the Model 3 battery and drive unit warranty?: 8 years/100,000 miles on Standard Range and RWD versions; 8 years/120,000 miles on Long Range and Performance: whichever comes first, with a guarantee of at least 70% battery capacity retention over that period. The basic vehicle warranty is 4 years/50,000 miles. Coverage runs from the original delivery date and transfers to used buyers.
What kind of 12V battery does a Model 3 have, and why does it matter?: 2017–2021 cars: a conventional 12V lead-acid battery that often lasts only 3–4 years and takes the whole car down when it dies. 2022 and newer: a 15.5V lithium-ion unit (about 6.9 Ah) designed to last many years longer. Either way it's a Tesla-specific part, the touchscreen warns you when it's weakening, and letting the main battery sit at 0% can kill it: damage that isn't covered by warranty.
How much range does a Model 3 lose in winter?: Plan on roughly 20–30% less in freezing temperatures, worse with highway speeds and short trips. 2021+ cars have a heat pump, which helps a lot versus the resistive heater in 2017–2020 cars. Real mitigations: precondition while plugged in, use seat heaters instead of blasting cabin heat, keep tires at spec (they lose about 1 psi per 10°F drop), and keep firmware current; the 22V-050 recall fixed a bug that could kill heat entirely in deep cold.
Can I plug an OBD-II scanner into a Model 3?: No, there's no OBD-II port and no generic P-codes. The car reports faults as named alerts (like BMS_a079) on the touchscreen and in the app, and a built-in Service Mode exposes deeper diagnostics. Third-party harness adapters exist for the diagnostic connector, but a standard scan tool from the parts store won't talk to this car. Our Tesla alert guides decode the common alerts.