Automatic Transmission Shift Lock Control Function; Check - Chevrolet Low Cab Forward 4500 2019 Series Owner's Manual

These standards apply only to
vehicles sold in the United States.
Tampering with Noise Control
System Prohibited
Federal law prohibits the following
acts or the causing thereof:
1. The removal or rendering
inoperative by any person,
other than for purposes of
maintenance, repair or
replacement, of any device or
element of design incorporated
into any new vehicle for the
purpose of noise control, prior
to its sale or delivery to the
ultimate purchaser or while it is
in use; or
2. The use of the vehicle after
such device or element of
design has been removed or
rendered inoperative by any
person.
Among those acts presumed to
constitute tampering are the acts
listed below.
Insulation:
Removal of the noise shields or any
undercab insulation.
Engine:
Removal or rendering engine speed
governor, if so equipped, inoperative
so as to allow engine speed to
exceed manufacturer specifications.
Fan and Drive:
Removal of fan clutch or
rendering clutch inoperative.
Removal of the fan shroud.
Air Intake:
Removal of air cleaner silencer.
Reversing air cleaner cover.
Exhaust:
Removal of muffler, catalytic
converter, and/or resonator.
Removal of exhaust pipes and
exhaust pipe clamps.
Vehicle Care
Automatic Transmission
Shift Lock Control
Function Check
When the Selector Lever
Cannot be Moved From the "P"
Position
If the selector lever cannot be
moved from P Park position to
other positions after performing the
instructions given in the ADVICE
section in If You Cannot Move the
Selector Lever from the P Position
a number of times, it is likely that
the shift lock function is faulty.
Immediately contact the nearest
dealer for inspection. Only in the
event of an emergency, carry out
the procedure below.
Caution
When the selector cannot be
operated from the P position to
any other position even after
performing the operation below
(Continued)
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