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Plan d’maintenance BYD Song Pro (facelift 2021)
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📖BYD Song Pro facelift: embracing DM-i efficiency for effortless family motoring

BYD Song Pro (facelift 2021) (2021-2023)

The 2021 facelift transformed the Song Pro by introducing BYD's highly acclaimed DM-i hybrid powertrain, converting this compact crossover into an ultra-frugal, whisper-quiet family hauler. Preserving this refined SUV calls for structured BYD Song maintenance, keeping both hybrid mechanicals and electric drive systems in peak health.

Propulsion relies on a 1.5-litre Xiaoyun Atkinson-cycle engine paired with an E-CVT transmission and an LFP Blade Battery pack. Drivetrain simplicity minimises wear, while an active dual-loop thermal management system safeguards the high-voltage pack and power electronics, aided by an integrated heat pump for efficient winter heating.

When evaluating a used Song Pro facelift, verify that the transition between electric drive and petrol engine is quiet and imperceptible under moderate load. Check front tyre tread depth for inner edge wear, confirm that air conditioning operates effectively across all cabin vents, and verify that the 12 V auxiliary battery maintains correct voltage.

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Owner notes

The reassuring points, known weak spots and deadlines you should not let slip.

Reassuring points

Reliability
  • Transformative DM-i hybrid powertrain delivering exceptionally low fuel consumption and smooth electric responses.
  • Reliable Blade Battery pack with superior fire resistance, thermal stability and prolonged cycle life.
  • Comfortable and serene family cabin with intuitive touchscreen controls and generous boot volume.

Chronic weak spots

Keep an eye on
  • Engine oil fuel dilution: frequent short electric trips can cause moisture condensation; adhere to annual oil flushes.
  • Front tyre inner shoulder wear: instant electric torque accelerates front tyre wear; monitor tracking regularly.
  • Lightly used brake discs: regenerative braking reduces friction brake usage; check rear discs for rust pitting.
  • BMS firmware updates: ensure dealer over-the-air updates have been installed for optimal hybrid energy management.

Critical deadlines

Do not miss
  • Running-in engine oil change: perform initial break-in oil and filter renewal at 3,500 km or 6 months.
  • Routine engine oil and filter renewal: replace 0W-20 synthetic lubricant every 10,000 km or 12 months.
  • Brake fluid service: flush DOT 4 hydraulic fluid every 40,000 km or 24 months.
  • High-voltage cooling loop check: inspect thermal management fluid levels and pump function every 24 months.

Fréquences d'maintenance recommandées

Service markers for petrol/diesel versions. Exact intervals vary by engine and model year.

Oil change

Every 15 000 km

Every 1 year

Service

Every 15 000 km

Every 1 year

Brake pads

Every 40 000 km

Every 2 years

Timing belt / chain

Every 100 000 km

Every 5 years

Battery (12 V)

Every 50 000 km

Every 4 years

Powertrains and average consumption

Average consumption from manufacturer data for the versions available in this generation.

Petrol and diesel powertrains
▾

Petrol, diesel or LPG versions. The intervals shown cover the usual mechanical jobs.

Song Pro (facelift 2021)

Estimated average budget

Mid-range cost

Servicing a BYD Song Pro (facelift 2021) sits slightly above the market average (+11%).

Simple oil change~80 €
Full service~265 €
Front brake pads~90 €
Timing-belt kit~650 €
Tyres (set of 4)~520 €

* Indicative estimates for parts and labour.

Frequently asked questions about BYD Song Pro (facelift 2021)

What are the common problems on the Song Pro (facelift 2021)?▾
Song Pro (facelift 2021) owners should especially watch: Engine oil fuel dilution: frequent short electric trips can cause moisture condensation; adhere to annual oil flushes. Front tyre inner shoulder wear: instant electric torque accelerates front tyre wear; monitor tracking regularly. Garajo includes these watch points so you can act early.
When should you change the timing belt on a Song Pro (facelift 2021)?▾
The timing belt is usually replaced every 100,000 km or 5 years on this type of engine.
Where can I find the service book for the BYD Song Pro (facelift 2021)?▾
Garajo offers a free digital service book, always up to date, with reminders and a detailed history for your BYD Song Pro (facelift 2021).
How much does it cost to service a BYD Song Pro (facelift 2021)?▾
The service budget for a BYD Song Pro (facelift 2021) sits slightly above the market average (+11%). Allow about 265 € for a full service, for example. Garajo estimates your budget by powertrain and tracks what you actually spend, for free.
Which BYD Song Pro (facelift 2021) powertrain is best for town use?▾
This model is only available as petrol/diesel. Fuel mix: 2 petrol versions. In town, prefer the most economical, well-serviced petrol/diesel version.
Which BYD Song Pro (facelift 2021) powertrain should you choose if you mostly drive on the motorway?▾
This model is only available as petrol/diesel. Fuel mix: 2 petrol versions. On the motorway, prefer petrol/diesel versions with the best power-to-consumption compromise.

Compatible engine oil

Which engine oil for BYD Song Pro (facelift 2021)?

These links are limited to the engines of this generation when oil data is available.

Unsure between two viscosities?0W-20 vs 5W-300W-20 vs 0W-30
← All Song generationsAll BYD models

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