Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/5/22
494
Customer Information
company. In such cases, you
can have control of the repair
and parts choices as long as
the cost stays within
reasonable limits.
Publication Ordering
Information
Service Manuals
Service manuals have the
diagnosis and repair
information on the engine/
propulsion, transmission, axle,
suspension, brakes, electrical
system, steering system,
body, etc.
Customer Literature
Owner
’
s manuals are written
specifically for owners and are
intended to provide basic
operational information about
the vehicle. The owner
’
s
manual includes the
Maintenance Schedule for all
models.
Customer literature
publications available for
purchase include owner
’
s
manuals, warranty manuals,
and portfolios. Portfolios
include an owner
’
s manual,
warranty manual, if applicable,
and zip lock bag or pouch.
Current and Past Models
Service manuals and customer
literature are available for
many current and past model
year GM vehicles.
To order, call 1-800-551-4123
Monday
–
Friday, 8:00 a.m.
–
6:00 p.m. Eastern Time
For credit card orders only
(VISA, MasterCard,
or Discover), see Helm, Inc. at:
www.helminc.com.
To order by mail, write to:
Helm, Incorporated
Attention: Customer Service
47911 Halyard Drive
Plymouth, MI 48170
Make checks payable in U.S.
funds.
Radio Frequency
Statement
This vehicle uses
license-exempt transmitters /
receivers / systems that
operate on a radio frequency
that complies with Part 15/
Part 18 of the Federal
Communications Commission
(FCC) rules and with
Innovation, Science and
Economic Development (ISED)
Canada's license-exempt
RSS(s) / RSP-100 / ICES-GEN.
Operation is subject to the
following two conditions:
1. The device may not cause
harmful interference.
2. The device must accept
any interference received,
including interference that
may cause undesired
operation of the device.
Changes or modifications to
any of these systems by other
than an authorized service