Kia Soul 2018 Owner's Manual page 539

Maintenance
NO.
ITEM
Manual transaxle fluid /
*6 Dual clutch transmission
(DCT) fluid
*7 Fuel additives (Petrol)
8 20
Manual transaxle fluid (or Dual clutch transmission (DCT) fluid) should be changed anytime
it has been submerged in water.
Kia recommends that you use unleaded petrol which has an octane rating of RON (Research
Octane Number) 95 / AKI (Anti Knock Index) 91 or higher (for Europe) or Octane Rating of RON
(Research Octane Number) 91 / AKI (Anti-Knock Index) 87 or higher (except Europe).
For customers who do not use good quality petrols including fuel additives regularly, and have
problems starting or the engine does not run smoothly, one bottle of additives added to the fuel
tank at every 15,000km (for Europe, Australia and New Zealand)/ 10,000km (except Europe,
Australia and New Zealand, China) / 5,000 km (for China) . Additives are available from a pro-
fessional workshop along with information on how to use them. Kia recommends to visit an
authorised Kia dealer/service partner.
REMARK