Circuit/System Verification

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.

Verify A22 Radio Control displays infotainment system information properly.
- If infotainment system information does not display properly
  Refer to Symptoms - Entertainment .
- Go to next step: If infotainment system information displays properly
Verify there is no debris on the B87 Rearview Camera lens and that the bezel and bezel seal are not damaged.
- If debris is found on the lens
  Clean the lens using water and a soft cloth. If the lens, bezel, or bezel seal are damaged, replace as necessary.
- Go to next step: If there is no debris on the lens
Engine running, parking brake applied, transmission in REVERSE.
Verify the backup lamps are illuminated.
- If the backup lamps are not illuminated
  Refer to Backup Lamps Malfunction .
- Go to next step: If the backup lamps are illuminated
Engine running, parking brake applied, transmission in REVERSE.

NOTE:

A poor quality image is an image that has flickering, blinking, excessively blue/yellow hue, and/or fog/haze such that it obstructs the driver's view out the rear of the vehicle.

Verify a clear rear vision image is displayed on the A22 Radio Control.
- If a clear image is not displayed
  Refer to Circuit/System Testing.
- Go to next step: If a clear image is displayed
All OK.