Actually, Nokia might already have its hooks into your dashboard. If not, they want to be there. And soon. This is but one example of how smartphones are being integrated into cars. From Pulse 2.0:
Recently Nokia Corporation introduced a new embedded in-dash navigation system called HERE Auto. HERE Auto gives you voice-guided turn-by-turn navigation in 95 countries along with traffic re-routing and fuel prices. As you approach your destination, you will see street level images, parking availability, and indoor maps.