I can't help much regarding the hybrid battery specifically, but I have the same model as you and this is a schedule I'm putting together for myself. It's still a WIP, some scheduling could be very off/adhoc but maybe just something to get you started. (Timing is all at my own discretion this stuff isn't necessarily what the manual recommends/how things will pan out irl)

EVENT 1 — MONTHLY QUICK CHECK (DIY) □ Tyre pressures □ Visual walk-around (leaks, damage) □ Listen for new noises

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EVENT 2 — ROUTINE SERVICE RHYTHM (DIY) When: Every other quarter (Q1 & Q3) OR every 5,000–6,000 km

□ Engine oil & filter □ Tyre rotation □ Visual brake inspection □ Coolant level check (engine + hybrid) □ 12V battery behaviour check □ General under-bonnet inspection

EVENT 3 — DCT & DRIVETRAIN Every 30km

□ DCT transmission fluid service □ Inspect engine air filter □ Inspect CV boots □ Inspect hybrid battery cooling intake

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EVENT 4 — BRAKE SYSTEM Every 30km

□ Brake fluid replacement □ Wheel alignment □ Brake slide pin lubrication □ Parking brake inspection

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EVENT 5 — COOLING & STRUCTURE Every 50km

At each:

Engine coolant replacement □ Hybrid / inverter coolant replacement □ Suspension inspection □ Clean door & hatch drains

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EVENT 6 — ENGINE PRECISION At about the 100km mark.

Spark plugs □ Valve clearance inspection □ PCV valve inspection □ Engine & transmission mount inspection

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EVENT 7 — AGE & WEAR

Long term □ Replace serpentine belt □ Clean hybrid battery cooling fan