Chevrolet Low Cab Forward 6.0L Gasoline Engine 3500/4500 Series (GMNA-
Localizing-U.S.-12533400) - 2019 - CRC - 11/19/18
Vehicle Care
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2. Continue pushing in the wiper
rubber insert until the wiper
blade's hook engages with the
hole in it, and then confirm that
the rubber insert is securely
held in place.
3. Attach the wiper blade to the
wiper arm.
Headlamp Aiming
For vertical aiming, turn the two
screws indicated by arrows in the
diagram.
1. Remove the rubber beneath
the headlight.
2. Two screws should be turned
in the same direction at the
same time to adjust aiming.
3. When the headlamp aiming is
out of position, contact your
dealer.
Bulb Replacement
Bulbs
1. Check each bulb for blowout.
2. If a bulb has blown out, replace
it. Always place the engine
control switch in the
“
LOCK
”
position and place all the other
switches in the
“
OFF
”
position
before replacing the blown
bulbs.
3. If you need assistance
replacing any bulbs, contact
your dealer.
Turn Signals
The flasher unit activates both the
turn signal circuits and the hazard
circuit. Should a lamp burn out, the
flasher unit will continue to operate.
Check the turn signal lamps visually
before the vehicle is used.
