1989 Ford Bronco Owner's Manual - Page 205
1989 Ford Bronco Manual
Page 205 highlights
Driving Switching off AdvanceTrac with RSC If the vehicle is stuck in snow, mud or sand, and seems to lose engine power, switching off certain features of the AdvanceTrac with RSC system may be beneficial because the wheels are allowed to spin. This will restore full engine power and will enhance momentum through the obstacle. To switch off the AdvanceTrac with RSC system partially, press the AdvanceTrac with RSC "Off" button below 20 mph (32 km/h). Full features of the AdvanceTrac with RSC system can be restored by pressing the AdvanceTrac with RSC "Off" button again or if the vehicle is above 20 mph (32 km/h) or by turning off and restarting the engine. If you switch off the AdvanceTrac with RSC system below 20 mph will illuminate steadily. Pressing the (32 km/h), the "sliding car" icon AdvanceTrac with RSC "Off" button again or if the vehicle is above icon. The switch will 20 mph (32 km/h) will turn off the "sliding car" not allow partial AdvanceTrac with RSC system disabling above 20 mph (32 km/h). In R (Reverse), ABS and the engine traction control and brake traction control features will continue to function; however, ESC and RSC are disabled. AdvanceTrac with RSC Features "Sliding car" RSC ESC icon Illuminated during bulb Enabled Enabled check Illuminated solid Enabled Enabled Button functions Default at start-up Button pressed momentarily Button pressed again after deactivation or driving above 20 mph (32 km/h) TCS Enabled Disabled below 20 mph (32 km/h) Not illuminated Enabled Enabled Enabled 205 2010 Econoline (eco) Owners Guide, 3rd Printing USA (fus)