This vehicle is equipped with a hydraulic clutch, there is no adjustment. If the clutch pedal is low, hen most probably the slave cylinder is faulty. Inspect the fluid level at the clutch master cylinder. It is the small reservouir near the brake master cylinder. There is a blck rubber boot under the cap that must be lifted out to see the level. If it is low, suspect a clutch slave cylinder which the trans must be removed for replacement.