1998 Lexus GS 400 Navigation Manual - Page 3
1998 Lexus GS 400 Manual
Page 3 highlights
Precautions on use This navigation system uses the tire turning data. So, replacing the tire may cause a positioning error. Make sure tire pressures of 4 wheels should be correct. For your safety, some functions may become inoperable when you start driving. Unavailable switches are dimmed. Accurate Operation Tips This navigation system calculates the current vehicle position using satellite signals, various vehicle signals, map data, etc. However, the accurate position may not be shown or inappropriate route guidance may occur in some cases. roof. D When driving with the tire chains installed. D When replacing the tire(s). D When using the tire other than specified. D When tire pressures of 4 wheels are not correct. D When driving without setting the current position calibration correctly. D When the roof carrier is installed. D When the tires are worn. (i.e., studless tires used in the previous season) (a) The accurate current vehicle position may not be shown in the following cases: D When driving on a small angled Y-shaped road. D When driving on a spiral road. D When driving on a slippery road such as in sand, gravel, snow, etc. D When driving on a long straight road. D When the freeway and surface streets run in parallel. D When the long route is searched during high speed driving. D When approaching a tall building or large vehicle. D After moving by ferry or vehicle carrier. D After repeating a change of directions by going forward and backward, or turning on the turn table in the parking lot. D When going out from the parking lot with CAUTION D For safety, the driver should not operate the navigation system during driving. Incorrect maneuvering of steering wheel may cause an accident. D When driving, be sure to follow traffic regulations and keep the road condition in mind. If a traffic sign on the road is changed by the regulation, route guidance may provide wrong information such as the route prohibiting the entry of the vehicle. INFORMATION D After your vehicle receives signals from the GPS, the current vehicle position, if it is not placed in correct position or on the wrong road, will be corrected automatically. D If your vehicle cannot receive GPS signals, you can correct it manually. For the information on current position calibration, see page 65. iii 3.