When thinking of the ignition in a car, you'll probably think of the slot you put the key into to start the car, but that's only a part of the ignition system, known as the ignition lock cylinder, which is the first stage of the ignition process.

Once the key has been turned, or the start/stop button has been pressed in some cars, the ignition switch will decode any anti-theft measures (such as the immobiliser) before allowing the vehicle to start.

In petrol cars, the ignition system's job is to take power from the battery and turn it into a spark that is powerful enough to ignite the vapour from the fuel to get the engine running.

Glow plug symbol in dashboard

Engines in diesel cars ignite the fuel using compression so no sparks are needed, but use glow plugs which heat the combustion chamber.

Office Booking Hours

Monday to Thursday
8:30am - 7pm
Friday
8:30am - 6pm
Saturday
9am - 5pm
Sunday
Closed

Are you a driving instructor?

We're actively looking for driving instructors to join our incredible Drive 321 team in many areas of the UK.

Learn more

Instructor Teaching Hours

Monday to Sunday
6am - 10pm

Every area will vary slightly, so please call the office during working hours to find instructor availability in your area.

Waiting time for first driving lesson
3-5 days

Typically, we can provide driving lessons within 3-5 days

Office Opening Hours

Monday to Thursday
8:30am - 7pm
Friday
8:30am - 6pm
Saturday
9am - 5pm
Sunday
Closed