Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/4/22
Vehicle Care
401
Wiper Blade
Replacement
Windshield wiper blades
should be inspected for wear
and cracking. See
Maintenance Schedule
Replacement blades come in
different types and are
removed in different ways. For
proper type and length, see
Maintenance Replacement
Parts
Caution
Allowing the wiper arm to
touch the windshield when
no wiper blade is installed
could damage the
windshield. Any damage that
occurs would not be
covered by the vehicle
warranty. Do not allow the
wiper arm to touch the
windshield.
To replace the windshield
wiper blade:
1. Pull the windshield wiper
assembly away from the
windshield.
2. Lift up on the latch in the
middle of the wiper blade
where the wiper arm
attaches.
3. With the latch open, pull
the wiper blade down
toward the windshield far
enough to release it from
the J-hooked end of the
wiper arm.
4. Remove the wiper blade.
5. Reverse Steps 1
–
3 for
wiper blade replacement.
Windshield
Replacement
HUD System
The windshield is part of the
HUD system. If the windshield
needs to be replaced, be sure
to get one that is designed for
HUD or the HUD image may
look out of focus.
Driver Assistance
Systems
If the windshield needs to be
replaced and the vehicle is
equipped with a front camera
sensor for the Driver
Assistance Systems, a GM
replacement windshield is
recommended. The
replacement windshield must
be installed according to GM
specifications for proper
alignment. If it is not, these
systems may not work
properly, they may display
messages, or they may not