See also:

Winter Driving
The more severe weather conditions of winter result in greater wear and other problems. To minimize the problems of winter driving, you should follow these suggestions: ...

Check spark plugs and ignition system
Inspect your spark plugs as described in section 7 and replace them if necessary. Also check all ignition wiring and components to be sure they are not cracked, worn or damaged in any way. ...

Operating door locks from inside the vehicle
With the door lock button • To unlock a door, push the door lock button (1) to the “Unlock” position. The red mark (2) on the button will be visible. • To lock a door, push the door lock button ...