See also:

Channel lock
Access to specific channels can be restricted (locked). A locked channel will not provide audio, song titles, or artist information. NOTE All channels are initially unlocked. Locking a channel ...

Engine oil
Although some oil consumption occurs during normal engine operation, more oil is consumed when the engine is new as the internal parts generate higher friction while wearing-in to each other. From ...

Touching up paintwork
Paint code on the model plate Paint damage requires immediate attention to avoid rusting. Make it a habit to check the finish regularly, for instance washing the vehicle. Touch-up if necessary. ...