One problem related to warning light on has been reported for the 2003 Toyota Highlander. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Toyota Highlander based on all problems reported for the 2003 Highlander.
In very cold maine temperatures, after the vehicle has set unused all night, the airbag warning light comes on in the morning when the vehicle is started. This also happens in very warm temperatures after vehicle has set unused all night. After the vehicle has run a short while and warmed up or cooled down, the airbag signal warning goes off.
| Air Bag Not Deploy problems | |
| Front Air Bag Sensor Control problems | |
| Air Bag problems | |
| Warning Light On problems |