Car, along the M4; keep heading west until you reach the end of the motorway.

What should you do, keep heading toward the water?

All I could do was to keep heading north.

Then he shook his head, shrugged and kept heading east.

After this yo can keep heading south, and continue along as in "A" above.

Well, if it's all right with you, we'll keep heading north a ways and try to stay under your air cover, over.

They kept heading west to look for more, but there were none to be found.

They keep heading back to the same spot before your sensors lose them.

Keep heading toward the highest point and it will be found.

The plane climbed to 40,000 feet and kept heading due east.