One problem related to air bag light on has been reported for the 2003 Toyota 4Runner. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Toyota 4Runner based on all problems reported for the 2003 4Runner.
Car was running perfectly. Brakes were services 6 months ago. Traveled from nc to FL for holiday. Started car maintenance light went on showed air bag indicator light with ear piercing buzzer. Went to drive car to Toyota service department and had no brakes. They would work slightly but to dangerous to drive. Did not have brakes.