diff --git a/vehicle.go b/vehicle.go
index 5f244e1..5a80766 100644
--- a/vehicle.go
+++ b/vehicle.go
@@ -795,10 +795,11 @@ func (v *Vehicle) parseParts(name string, value any) {
 	re := regexp.MustCompile(`([Dd]oor|[Ww]indow|[Tt]ire)(?:[Pp]ressure)?([Ff]ront|[Rr]ear|[Bb]oot|[Ee]ngine[Hh]ood|[Ss]unroof)([Ll]eft|[Rr]ight)?(?:[Pp]osition|[Ss]tatus|[Ll]ock[Ss]tatus|[Pp]si)?`)
 	grps := re.FindStringSubmatch(name)
 
-	pn := strings.ToLower(grps[1] + "_" + grps[2])
-	if len(grps[2]) > 0 {
+	pn := grps[1] + "_" + grps[2]
+	if len(grps[3]) > 0 {
 		pn = pn + "_" + grps[3]
 	}
+	pn = strings.ToLower(pn)
 	// v.client.logger.Debug("VEHICLE COND", "key", name, "value", value, "number", len(submatchall))
 
 	switch grps[1] {