▁One ▁season ▁proved ▁fruit less ▁with ▁no ▁points ▁and ▁no ▁ranking ▁in ▁the ▁D ri vers ' ▁Championship . ▁▁ 1 9 9 9 ▁The ▁rest ruct ured ▁Min ardi ▁squad ▁head ed ▁toward ▁the ▁ 1 9 9 9 ▁season ▁with ▁plans ▁to ▁run ▁Tu ero ▁once ▁more , ▁this ▁time ▁alongside ▁Sp ani ard ▁Marc ▁Gene . ▁Tu ero ▁was ▁due ▁to ▁test ▁the ▁new ▁car , ▁the ▁M 0 1 , ▁in ▁late ▁January ▁after ▁recuper ating ▁from ▁his ▁inj uries , ▁but ▁on ▁the ▁e ve ▁of ▁that ▁first ▁test ▁ast ounded ▁everyone ▁by ▁announ cing ▁his ▁ret irement ▁from ▁Formula ▁One . ▁Despite ▁surprising ▁many ▁at ▁the ▁time , ▁Tu ero ▁never ▁explained ▁why ▁he ▁quit ▁at ▁the ▁age ▁of ▁just ▁ 2 0 ▁and ▁still ▁hasn ' t ▁done ▁so ▁to ▁this ▁day . ▁His ▁Formula ▁One ▁career ▁reached ▁its ▁destination ▁after ▁only ▁ 1 6 ▁races . ▁ ▁After ▁Formula ▁One ▁▁ ▁Though ▁Min ardi ▁had ▁counted ▁on ▁Tu ero ▁stay ing ▁with ▁the ▁team ▁for ▁the ▁ 1 9 9 9 ▁season , ▁to ▁the ▁surprise ▁of ▁the ▁team ▁he ▁walked ▁into ▁a ▁meeting ▁and ▁said ▁he ▁would ▁leave ▁Formula ▁ 1 ▁and ▁move ▁back ▁to ▁his ▁home ▁country . ▁ ▁In ▁ 1 9 9 9 , ▁he ▁joined ▁the ▁Argent in ian ▁T C 2 0 0 0 ▁tour ing ▁car ▁racing ▁series , ▁where ▁he ▁strugg led ▁to ▁make ▁an ▁impact ▁by ▁finishing ▁outside ▁the ▁top ▁ten ▁overall . ▁He ▁later ▁won