My X20 last service under warranty and its been done today at KBPJ Service Centre. Been traveling long distance last couple of weeks and get it serviced before I went on another trip next week.
Odometer: 99901 km
1. Replace Oil Pan Plug Washer
2. Replace Oil Filter
3. Replace Engine oil - Castrol SLX 0W30 (Fully Synthetic oil)
4. Replace Auto Transmission Fluid - Castrol
5. Replace Radiator Coolant
6. Replace Front Brake Pad
7. To check undercarriage sound

4 litre Auto Transmission Fluid
Other than that, I have also sent it for wheel balancing, rotate and alignment check.