Changing your engine oil and topping-upOil changes - your questions answered

If you care about your car (and how much it costs you), it pays to understand the importance of topping up and changing your oil.

In this section you'll find answers to the most common oil-related questions such as: Why do I need to change my oil? How do I check my car's oil level? How often should I change or top-up my oil?

Quentin Wilson's handy videos explain how to carry out a simple oil top up and how to find the right oil for your vehicle.

Oil change information and general car maintenance -
see our DIY guides

You don't need to be an expert in motor mechanics to look after your car. To help you save money and keep your vehicle running smoothly we've created a series of free guides on oil servicing and essential car maintenance.

• Checking your oil
• Preparing your car for the MOT
• Checking and changing lightbulbs
• Topping up your brake fluid
• Checking and maintaining screen washers
• Checking your tyre pressures
• Checking your cooling system
• Changing and topping up gearbox oil
• Like to know more? See Credit Crunch Servicing

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  Castrol EDGE

  Strength to perform.
  With Fluid Strength Technology™ (FST), Castrol EDGE is our strongest, most
  advanced oil yet.
• 

  Castrol MAGNATEC

  Instant protection from the moment you turn the key. Castrol Magnatec has Intelligent Molecules
  that cling and bond
  to critical engine surfaces.
• 

  Castrol GTX

  Protects your car from harmful sludge and provides a balanced performance under all types of conditions.