See also:

On-board diagnostic interface
WARNING If you connect equipment to the on-board diagnostics interface, it can affect the operation of the vehicle systems. This can impair the operating safety of your vehicle while driving ...

Tire tread
WARNING Although the applicable federal motor vehicle safety laws consider a tire to be worn when the tread wear indicators (TWI) become visible at approximately 1/16 in (1.6 mm), we recomm ...

Changing batteries
Batteries are required for the remote control and for the two sets of cordless headphones. WARNING Keep the batteries out of the reach of children. Consult a doctor immediately if a child sh ...