2010 Toyota Yaris Owners Manual - Page 375
2010 Toyota Yaris Manual
Page 375 highlights
5-2. Steps to take in an emergency If the vehicle becomes stuck Carry out the following procedures if the tires spin or the vehicle becomes stuck in mud, dirt, or snow. Stop the engine. Set the parking brake and put the shift lever in P (vehicles with an automatic transmission) or N (vehicles with a manual transmission). Remove the mud, snow, or sand from around the stuck tire. Place wood, stones or some other material to help provide traction under the tires. Restart the engine. If equipped, turn off the VSC (→P. 161) Shift the shift lever to D or R (automatic transmission) or 1 or R (manual transmission) and carefully apply the accelerator to free the vehicle.