8-22 Care and Maintenance
DOB 1300-1556
PA-1639 Operator's Manual 2020 X3-45 Commuter
l
Check condition of tire: properly inflated, no
serious cuts, bulges, tread wear or any signs
of misalignment; valve stem not touching
wheel or rim; valve cap in place.
l
Check windshield washer reservoir fluid
level and add as necessary.
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Drain accessory air tank by opening drain
cock. Close drain cock when completed.
STEP 6: FRONT
l
Check windshield for damage and clean if
dirty.
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Check windshield wiper arms for proper
spring tension.
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Check wiper blades for any damage, “dead”
rubber and attachment to arm.
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Check clearance and identification lights,
they should be clean.
l
Check high and low beams, they should be
clean. If equipped, check fog lights.
l
Check left and right directional signals, they
should be clean.
STEP 7: FRONT RIGHT SIDE
l
Check condition of wheel rim. Especially
look for cracks, missing nuts, bent or broken
studs.
l
Check the loose wheel nut indicators for
signs of loose wheel nut.
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Check condition of tire: properly inflated, no
serious cuts, bulges, tread wear or any signs
of misalignment; valve stem not touching
wheel or rim; valve cap in place.
STEP 8: INSIDE THE VEHICLE
l
Check for proper operation of the entrance
door.
l
Check steps; clean them if there is any
substance that makes them slippery, which
makes coach entry/exit hazardous.
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Adjust and clean mirrors for adequate rear
view vision.
l
Verify proper operation of windshield wiper/
washer.
l
Check the fire extinguisher and make sure it
is ready for operation.
l
Check that emergency exit windows and roof
escape hatches can be opened then close
all windows and hatches securely.
WITH ENGINE RUNNING
l
Start engine and check for proper operation
of all gauges. Perform a telltale light test (see
under Cluster Selftest
in Section 5 Other Features). Indicator lights
and buzzers should all be OFF before
driving.
l
Using the message center display, perform a
system diagnostic to check if error codes
and anomalies were recorded in the vehicle
electronic modules.
l
Check for proper operation of electric and air
horns and back-up alarm.
l
Check automatic transmission oil level,
using the pushbutton shift selector (see
LEVEL CHECK USING THE PUSHBUTTON
SHIFT SELECTOR " on page 2
in Appendix
C).
l
Check that there is enough fuel in the tank.
l
Perform a parking brake test. Check both
primary and secondary pressure gauges.
Refer to “Other Verifications” in this section.
l
Perform the exterior lighting verification
using the test mode. Refer to
in this section.
l
Walk around the vehicle and listen for air
leaks.
l
Check for leaks and listen for unusual
sounds coming from the turbocharger.
Summary of Contents for X3 Commuter
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