Buick Enclave: Maintenance Schedule
READ NEXT:
At Each Fuel Stop
► Check the engine oil level.
See Engine Oil .
Once a Month
► Check the tire inflation pressures. See Tire Pressure .
► Inspect the tires for wear.
See Tire I
► Severe Commercial Use Vehicles Only: Lubricate chassis components every 5 000
km/3,000 mi.
► Have underbody flushing service performed once a year.
SEE MORE:
HEATING AND AIR CONDITIONING SYSTEM DESCRIPTION AND OPERATION
Engine Coolant
Engine coolant is the key element of the heating system. The engine
thermostat controls the normal engine
operating coolant temperature. The thermostat also creates a restriction for the
cooling system that promotes a
pos
Recommended Fuel
Use regular unleaded gasoline with a posted octane rating of 87 or higher. If
the octane rating is less than 87, an audible knocking noise, commonly referred
to as spark knock, might be heard when driving. If this occurs, use a gasoline rated
at 87 octane or higher as soon as