Chevrolet 2015 Cruze Owner's Manual page 366

Service and Maintenance 11-7
Maintenance Schedule
Additional Required
Services - Severe
Rotate tires and perform Required Services.
Check engine oil level and oil life percentage.
Change engine oil and filter, if needed.
Drain the diesel fuel filter of water. (Diesel Only)
Replace passenger compartment air filter. (1)
Inspect evaporative control system. (2)
2.0L Diesel Engine Only: Replace fuel filter. (3)
Replace engine air cleaner filter. (4)
Change automatic transmission fluid.
Change manual transmission fluid.
Except 1.4L Engine: Replace spark plugs. Inspect
ignition coil boots.
1.4L Engine Only: Replace spark plugs. Inspect
ignition coil boots.
1.8L Engine Only: Replace timing belt. (7)
2.0L Diesel Engine Only: Replace the timing belt,
timing belt tensioner, idler pulley, and water
pump. (7)
Drain and fill engine cooling system. (5)
Visually inspect accessory drive belts. (6)
Replace brake fluid. (7)
Replace clutch fluid. (7)