@Yann, tu n'as aucune raison d'avoir peur, voilà ce que dit le manuel d'atelier:
TRANSAXLE FLUID FILL
NOTE: All A-598 transaxles are equipped with a fillplug. The fill plug is located on the end cover sideof the transaxle.
(1) Remove transaxle fill plugThe fluid level should be within 3.175mm (1/8inch) from the bottom of the transaxle fill hole (vehi-cle must be level when checking).
(2) Fill transaxle to proper level with SAE 5W-30engine oil, meeting SG and/or SG-CD qualifications.G5 SAE 10W-40 engine oil is a suitable service fillalternative. Dry fill lubricant capacity is approxi-mately 1.9-2.2 liters (4.0-4.6 pints)..
(3) Wipe the outside of the transaxle if any lubri-cant spills.
(4) Reinstall transaxle fill plug.