UPDATE 11:40 a.m.: Cal Fire is reporting at 11:33 a.m. that the fire has been contained at five acres and crews remain on scene extinguishing hotspots. Traffic will remain closed in one lane of northbound Highway 101 as work continues.
Original story: About five acres have burned Tuesday morning off the east side of Highway 101 on the Cuesta Grade because a burning vehicle that pulled off to the shoulder of the highway.
At about 10:41 a.m., a vehicle traveling north near the base of the Cuesta Grade pulled to the shoulder of the road, where flames originating from the vehicle spread to nearby brush, a CalFire spokesman said.
As of 11:20 a.m., CalFire crews and CHP were on scene fighting the spread of flames and directing traffic. Firefighting aircraft was also en route.
A CHP spokeswoman said one lane of northbound Highway 101 is closed to traffic.
No injuries have been reported and the CHP says the fire appears closed to containment.