How to diagnose and fix a faulty navigation system in a Vauxhall Insignia?

I have a Vauxhall Insignia and the navigation system keeps freezing or giving inaccurate directions. It's becoming a major problem and I'm not sure how to troubleshoot and fix it. Any suggestions?

First, try resetting the navigation system by pressing the power button for 10 seconds. If that doesn't work, check for any software updates for the system. Sometimes, outdated software can cause freezing issues.

If the software is up-to-date, then it could be a hardware issue. Check the connections to make sure they are secure and not damaged. If everything looks good, then it's best to bring it to a certified mechanic for further diagnosis.

One last thing you can try is to clear the cache for the navigation system. This can sometimes resolve freezing and inaccuracies. If none of these solutions work, it may be time to invest in a new navigation system.