92Using the beltsFitting seat bel tsPull the belt out of the retractor and guideit across the body , making certain that it isnot twisted.Insert the la tch plate into the buckle. Thefront sea t b ackrest must not be tilted backtoo far or the seat belt will not op erateproperly . The recommended angle ofinclina tion is 25° . Mak e sure that the lapbelt is not twisted and that it fits snuglyacross the body. Tension the beltfrequently while d riv ing by tugging thediagonal pa rt of the belt.Bulk y clothing prevents the belt from fittingprop erly. The belt must not rest againstha rd or fragile objects in the pockets ofyour clothing (e.g. ballpoint pens, keys,spectacles) because these could causeinjury. Do not place any objec ts (e.g.ha ndb ags, mobile phones) b etween thebelt and your body.Height adjustm entof seat belt upper anchora ge p oint:1. Pull b elt out slig htly.2. Front seat b elts: Press button down orslide belt guide up.Rear seat belts: Press belt guide andslide it upwards or downwards.3. Set desired height.4. Allow anchorage to lock aud ibly intoposition.Do not adjust height while driving .O n pregnant women in particular, thelap belt must be positioned as low aspossible ac ross the pelv is so as not to puttoo much pressure on the abdomen.