KeyFinland

Learn traffic rules with clear explanations and visual examples in our illustrated book, designed to make studying simple and engaging.


200. Key

A key is a device used to unlock a vehicle and authorise its operation. Traditional vehicle keys use a mechanical blade, while modern vehicles commonly use electronic transponders, remote-control key fobs or keyless systems that communicate electronically with the vehicle.

Many modern keys work together with an immobiliser that prevents the engine or propulsion system from being activated unless an authorised key is detected. Replacement or duplicate keys may therefore need to be electronically programmed to the vehicle.

Key
Car keys of a Porsche, Ferrari and BMW.
Wikimedia.org • chen chin • CC BY
What does a modern car key do?

A modern car key can unlock and lock the vehicle and authorise the engine or electric propulsion system to start. It may use a mechanical blade, electronic transponder, remote-control functions or a keyless system.

What is a transponder key?

A transponder key contains an electronic identification device that communicates with the vehicle's immobiliser. If the correct code is not recognised, the vehicle normally prevents the engine or propulsion system from being started.

What should you do if you lose a vehicle key?

Use a spare key if available and arrange a replacement through an appropriate dealer, locksmith or vehicle specialist. Modern replacement keys often need to be programmed to the vehicle's electronic security system.

1 Finland 2 Motorway 3 Built-up area 4 Zone 5 Speed limit 6 Footpath 7 Shared-use path 8 Pedestrian warning 9 Pedestrian zone 10 Quay 11 Slope 12 Bus lane 13 Bus stop 14 Dead end 15 Stop sign 16 Give way 17 Roundabout 18 Priority road 19 Railway crossing 20 School area 21 Crossing animals 22 Wrong-way driving 23 Roadworks 24 Height limit 25 Weight limit 26 Radar speed sign 27 Priority at the next junction 28 Traffic lights 29 Driving licence 30 Countdown markers 31 International border 32 Cycling route 33 Parking 34 No parking 35 Parallel parking 36 Parking disc 37 Reversing 38 Uncontrolled crossroad 39 Verge 40 City limit 41 Licence plate 42 Charging station 43 Dangers 44 Pedestrian 45 Cyclist 46 Moped 47 Bus 48 Police 49 Ambulance 50 Tram lights 51 European emission standard 52 Pothole 53 Path 54 Particulates 55 Air pollution 56 Rush hour 57 Road code 58 Two-way traffic 59 Street gutter 60 Cargo bike 61 Forestry vehicle 62 Construction vehicle 63 Semi-trailer truck 64 Trolleybus 65 Speed pedelec 66 Delivery vehicle 67 Idling 68 Tow truck 69 Four-wheel drive 70 No vehicles 71 Bicycle 72 Motorcycle equipment 73 Rail track 74 Caravan 75 Trailer 76 Tow hitch 77 Fire truck 78 Siren 79 Convoy 80 Emergency vehicle lighting 81 Agricultural machinery 82 Electric bicycle 83 Electric vehicle 84 Pedelec 85 Quadricycle 86 Microcar 87 All-terrain vehicle 88 Van 89 Recreational vehicle 90 Scooter 91 Trikke 92 Personal mobility device 93 Skateboard 94 Segway 95 Kick scooter 96 Roller skates 97 Mailman 98 Hitchhiker 99 Toddler 100 Child ... 101 Disability 102 Skier 103 Snowmobile 104 Motorail 105 km/h 106 mph 107 Speedometer 108 National speed 109 Ride height 110 Dirt road 111 Driving 112 Start-stop system 113 Manual transmission 114 Automatic transmission 115 Throttle 116 Tachometer 117 Steering wheel 118 Power steering 119 Visual scanning 120 Mirror 121 Fuel 122 Fuel gauge 123 Petrol 124 Diesel 125 Diesel exhaust fluid 126 Car insurance 127 First aid kit 128 Fire extinguisher 129 High-visibility clothing 130 First aid 131 Concrete step barrier 132 Barriers 133 Vehicle lights 134 Street lights 135 Dipped beam 136 High beam 137 Fog lights 138 Front fog lights 139 Rear fog lights 140 Side lights 141 Turn signals 142 Hazard lights 143 Dashboard lights 144 Bicycle lighting 145 Bicycle bell 146 Headlight flashing 147 Seat belt 148 Child restraints 149 Head restraints 150 Airbag 151 ABS 152 Esp 153 Traction control system 154 Helmet 155 Bicycle helmet 156 Hands-free 157 Smartphone 158 GPS 159 Brake 160 Handbrake 161 Brake fluid 162 Tyres 163 Tyre code 164 Winter tyres 165 Tyre pressure 166 Snow chains 167 Bicycle tyre 168 Continuous track 169 Gross Vehicle Weight 170 Gross Vehicle Weight Rating 171 Cargo 172 Car body 173 Trunk 174 Roof rack 175 Windscreen 176 Emergency hammer 177 Car battery 178 Traction battery 179 Suspension 180 Shock absorber 181 Spring 182 Exhaust 183 Exhaust gas 184 Soot 185 Catalytic converter 186 Engine 187 Petrol engine 188 Diesel engine 189 Electric motor 190 Timing belt 191 Glow plug 192 Cylinder 193 Engine oil 194 Coolant 195 Maintenance 196 Spare tyre 197 Flat tyre 198 Jack 199 Vehicle inspection 200 Key 201 Dashboard 202 Windscreen wiper 203 Doors 204 Glovebox 205 Visibility 206 Rain 207 Fog 208 Hail 209 Sunlight 210 Sunglasses 211 Salt 212 Air conditioning 213 Hydroplaning 214 Distraction 215 Emotions 216 Road rage 217 Health 218 Epilepsy 219 Night blindness 220 Visual impairment 221 Fatigue 222 Defects 223 Traffic violation 224 Alcohol 225 Alcohol control 226 Ignition interlock device 227 Breath test 228 Breath analysis 229 Blood alcohol content 230 Blood test 231 Saliva test 232 Drugs 233 Medication 234 Penalties 235 Speeding 236 Smoking 237 Traffic enforcement camera 238 Accident 239 Injuries 240 Nosebleed 241 Damage 242 Breakdown 243 Warning triangle 244 Traffic rules 245 Driving school 246 Traffic signs