Items to initialize The following items must be initialized for normal system operation after such cases as the 12-volt battery being reconnected, or maintenance being performed on the vehicle: List of items to initialize

Item	When to initialize	Reference
Message indicating maintenance is required (U.S.A. only)	After the maintenance is performed	Maintenance requirements
Tire pressure warning system	When the specified tire inflation pressure has changed, such as due to carried load, etc. When the tire inflation pressure is changed such as when the tire size is changed.	Setting the tire pressure
Oil maintenance	After the maintenance is performed	After changing the engine oil
Power back door	After reconnecting or changing the 12-volt battery	When reconnecting the 12-volt battery