The Navigation Clock Is Off By 1 to 3 Hours After Replacing the Navigation Unit

The navigation clock is off by 1 to 3 hours after replacing the navigation unit

See service precautions How to Troubleshoot the Navigation System

Also check for

Do map matching How to Troubleshoot the Navigation System

Also check for

GPS antenna/cable

Also check for

Aftermarket metallic window tint

Also check for

Check and adjust the clock settings

Also check for

Check the keyless remote linking