GMC Savana 2020 Owner's Manual page 307

306 Service and Maintenance
Maintenance
Schedule
Owner Checks and Services
Check the engine oil level. See
Engine Oil 0 223.
Once a Month
Check the tire inflation
pressures, including the spare.
See Tire Pressure 0 264.
Inspect the tires for wear. See
Tire Inspection 0 269.
Check the windshield washer
fluid level. See Washer Fluid
0 238.
Engine Oil Change
When the CHANGE ENGINE OIL
SOON message displays, have the
engine oil and filter changed within
the next 1 000 km (600 mi). If driven
under the best conditions, the
engine oil life system may not
indicate the need for vehicle service
for up to a year. The engine oil and
filter must be changed at least once
a year and the oil life system must
be reset. Your trained dealer
technician can perform this work.
If the engine oil life system is reset
accidentally, service the vehicle
within 5 000 km (3,000 mi) since the
last service. Reset the oil life
system when the oil is changed.
See Engine Oil Life System 0 225.
Extended Idle Use
When the vehicle is used in a way
that requires extended idle time,
one hour of use shall be deemed
the same as 53 km (33 mi). See
Driver Information Center (DIC) 0 99
for hourmeter.
Air Conditioning Desiccant
(Replace Every Seven Years)
The air conditioning system requires
maintenance every seven years.
This service requires replacement of
the desiccant to help the longevity
and efficient operation of the air
conditioning system. This service
can be complex. See your dealer.
Tire Rotation and Required
Services Every 12 000 km
(7,500 mi)
Rotate the tires, if recommended for
the vehicle, and perform the
following services. See Tire
Rotation 0 269.
Check engine oil level and oil
life percentage. If needed,
change engine oil and filter, and
reset oil life system. See Engine
Oil 0 223 and
Engine Oil Life System 0 225.
Check engine coolant level. See
Cooling System 0 231.
Check windshield washer fluid
level. See Washer Fluid 0 238.
Check tire inflation pressures,
including the spare. See Tire
Pressure 0 264.
Inspect tire wear. See Tire
Inspection 0 269.
Visually check for fluid leaks.
Inspect engine air cleaner filter.
See Engine Air Cleaner/Filter
0 230.