Recommended oil types for Chevrolet Lacetti automatic transmission:
*SP III (DEXRON III/Mercon): ACDelco DEXRON VI Automatic Transmission Fluid, Castrol Transmax DEX/MERC III, Valvoline MaxLife DEX/MERC ATF
* SP VI (DEXRON VI): ACDelco DEXRON VI Automatic Transmission Fluid, Castrol Transmax DEX/MERC VI, Valvoline MaxLife DEX/MERC VI ATF
Oil volume to change:
* About 4 liters (with partial replacement)
* About 8 liters (with a full replacement)
Oil change interval:
* Under normal operating conditions: every 45,000 – 60,000 km
* Under severe operating conditions (towing, off-road driving): every 20,000 – 30,000 km