Maintenance guide for the 2007 Opel Astra:
1. **Regular Oil Changes**: Ensure you change the engine oil and oil filter every 5,000 to 7,500 miles to keep the engine running smoothly.
2. **Brake System Check**: Inspect brake pads and discs regularly, approximately every 10,000 miles, and replace them as needed to ensure safety.
3. **Tire Maintenance**: Check tire pressure monthly and rotate tires every 6,000 to 8,000 miles to ensure even wear and prolong tire life.
4. **Air Filter Replacement**: Replace the air filter every 15,000 to 30,000 miles to maintain optimal engine performance.
5. **Coolant Level**: Check and top off the coolant level regularly to prevent the engine from overheating.
6. **Battery Check**: Ensure the battery terminals are clean and the battery is functioning properly, especially before winter.
7. **Transmission Fluid**: Inspect and, if necessary, replace the transmission fluid every 30,000 to 60,000 miles to ensure smooth gear shifts.
8. **Spark Plugs**: Replace spark plugs every 30,000 miles to maintain fuel efficiency and engine performance.
9. **Suspension and Steering**: Regularly inspect the suspension and steering components to ensure a comfortable and safe ride.
By adhering to this maintenance schedule, you can help ensure your 2007 Opel Astra continues to perform reliably.
