See also:

Troubleshooting guide
The system should respond correctly to all voice commands without difficulty. If problems are encountered, try the following solutions. Where the solutions are listed by number, try each soluti ...

Maximum Gross Vehicle Weight (GVW)/maximum Gross Axle Weight (GAW)
The GVW of the towing vehicle must not exceed the Gross Vehicle Weight Rating (GVWR) shown on the F.M.V.S.S./C.M.V.S.S. certification label. The GVW equals the combined weight of the unloade ...

Seat belts
The seat belts can be cleaned by wiping them with a sponge dampened in a mild soap solution. Allow the belts to dry completely in the shade before using them. See “Seat belts” in the “1. ...