Toyota Highlander Owners Manual: For owners

Initialization

The following items must be initialized for normal system operation after such cases as the battery being reconnected, or maintenance being performed on the vehicle: Item When to ...

Reporting safety defects for u.S. Owners

If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform the national highway traffic safety administration (nhtsa) in ad ...

More about Toyota Highlander:

If a warning light turns on or a warning buzzer sounds
Calmly perform the following actions if any of the warning lights comes on or flashes. If a light comes on or flashes, but then goes off, this does not necessarily indicate a malfunction in the system. However, if this continues to occur, have the vehicle inspected by your toyota dealer. Warnin ...