Navigation System Gives Out Of The Way Directions - keywords address body denso direction disc dvd guidance inaccurate incorrect loss map nav radio plan preferance program radio receiver route
| Subject: | Navigation System Gives Out of the Way Directions |
| Models: | 2007-2008 Chevrolet Avalanche, Tahoe, Silverado, Suburban |
| 2007-2008 GMC Sierra, Yukon, Yukon XL, Denali, Denali XL |
| With Navigation Radio (RPO U3U or UVB) |
This PI Supercedes to Include 2008 Model Year. Please Discard PIT4369.
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
Condition/Concern:
The Navigation System gives out of the way or indirect routes to destinations or Points of Interest (POI).
Recommendation/Instructions:
The Navigation System route can be influenced by the Route Preference options that are selected. Some systems come defaulted to not allow the use of Toll Roads. Ensure the customer is aware of these options. Instructions to change the Route Preferences are available in Navigation System owners manual.
Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.
