See also:

Reporting safety defects (Canada only)
If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform Transport Canada, using their toll-free number: 1–800–333–0510 ...

Troubleshooting
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Cross traffic alert (CTA) system operation
The CTA system warns the driver of approaching vehicles when R (Reverse) is selected and the vehicle is backing out of a front-in parking spot. It sounds a series of tones and flashes the BLIS ind ...