The 2.3 Turbo (K23A1) engine can be filled with one of the following oils:
Castrol Magnatec AP 5W-30
Mobil1 x1 5w30 (2400r)
Kixx G 5W30
Petro-Canada Supreme Synthetic 5W-20
Oil filter – MAHLE OC 617
Change intervals – every 10-15,000 km or once a year, whichever comes first.