You can buy a small compressor that plugs into your cigarette lighter, or visit a local petrol station. Make a note of the correct tyre pressure and use the machine to match them against the tyre pressures in your handbook.
You can buy a small compressor that plugs into your cigarette lighter, or visit a local petrol station. Make a note of the correct tyre pressure and use the machine to match them against the tyre pressures in your handbook.