Lexus RX450h Workshop Manuals and Repair Manuals

If you experience a flat tire on your Lexus RX450h, safely pull over to a flat and level surface. Locate the spare tire, jack, and lug wrench in your vehicle's trunk or undercarriage. Loosen the lug nuts, position the jack under the vehicle's designated lifting point, and raise the car until the flat tire is off the ground. Remove the lug nuts, replace the flat tire with the spare, hand-tighten the lug nuts, lower the vehicle, and then securely tighten the lug nuts. The Lexus RX450h automotive repair manual provides step-by-step instructions and safety precautions for changing a flat tire.

To check and top up the transmission fluid in your Lexus RX450h, park the vehicle on a level surface, start the engine, and leave it running. With the parking brake engaged, shift the transmission through each gear position and then back to Park. Locate the transmission dipstick, remove it, and wipe it clean with a lint-free cloth. Reinsert the dipstick fully, remove it again, and check the fluid level against the markings on the dipstick. If needed, add the recommended type of transmission fluid through the dipstick tube. The Lexus RX450h automotive repair manual provides detailed instructions and precautions for checking and adding transmission fluid.

To check the tire pressure in your Lexus RX450h, you will need a tire pressure gauge. Remove the valve cap from each tire, press the gauge onto the valve stem, and read the pressure displayed on the gauge. Compare the measured pressure to the recommended pressure listed in the owner's manual or the sticker on the driver's side door jamb. The Lexus RX450h automotive repair manual offers further guidance on the importance of proper tire pressure and how to adjust it if necessary.

If your Lexus RX450h's battery is dead or weak, you can jump-start it using jumper cables and a second vehicle with a charged battery. Park the vehicles close enough for the jumper cables to reach both batteries but not touching. Connect the positive (red) cable to the positive terminal of the dead battery, then connect the other end to the positive terminal of the charged battery. Connect the negative (black) cable to the negative terminal of the charged battery, and then connect the other end to a solid, unpainted metal surface on the dead vehicle. Start the engine of the vehicle with the charged battery, let it run for a few minutes, and then attempt to start your Lexus RX450h. The Lexus RX450h automotive repair manual contains detailed instructions and precautions for jump-starting a vehicle.

To replace a brake light bulb on your Lexus RX450h, open the trunk and locate the access panel behind the affected brake light. Remove the panel by turning the securing screws or clips. Once the panel is removed, twist and remove the bulb socket from the back of the brake light assembly. Replace the old bulb with a new one, making sure it is securely in place, and then reinsert the socket into the assembly. Test the new bulb by having someone press the brake pedal while you observe the light. The Lexus RX450h automotive repair manual provides detailed instructions and illustrations for replacing brake light bulbs.

To replace a cabin air filter on your Lexus RX450h, locate the cabin air filter housing, usually located behind the glove compartment or under the dashboard. Open the housing and carefully remove the old filter, noting its orientation. Insert the new filter into the housing, ensuring proper alignment. Close the housing and gently push it back into place. The Lexus RX450h automotive repair manual provides specific instructions and illustrations for replacing the cabin air filter.

To replace a headlight bulb on your Lexus RX450h, open the hood and locate the headlight assembly. Remove the electrical connector from the back of the bulb, then twist and remove the bulb from the housing. Insert the new bulb into the housing, ensuring it is securely in place, and reconnect the electrical connector. Test the new bulb by turning on the headlights before closing the hood. The Lexus RX450h automotive repair manual provides specific instructions and illustrations for replacing different types of headlight bulbs.

To replace a key fob battery in your Lexus RX450h, locate the small battery compartment on the back of the key fob. Use a coin or a small flathead screwdriver to open the compartment. Remove the old battery and replace it with a new one, ensuring the positive (+) side is facing up. Close the battery compartment, making sure it securely clicks into place. Test the key fob by pressing the buttons to ensure proper functionality. The Lexus RX450h automotive repair manual provides detailed

To replace a windshield wiper blade on your Lexus RX450h, lift the wiper arm away from the windshield and locate the release tab or button on the wiper blade assembly. Press or slide the release mechanism to detach the old wiper blade from the arm. Align the new wiper blade with the arm and firmly press it until it clicks into place. Gently lower the wiper arm back onto the windshield. Test the new wiper blade by activating the windshield wipers. The Lexus RX450h automotive repair manual offers detailed instructions and illustrations for replacing windshield wiper blades.

To reset the maintenance light in your Lexus RX450h, turn the ignition on without starting the engine. Press and hold the trip meter reset button until the maintenance light begins to flash. Release the button and then press it again to reset the light. Consult the Lexus RX450h automotive repair manual for additional information on the various maintenance lights and their corresponding procedures for resetting.

If you are experiencing issues with a power window in your Lexus RX450h, start by checking the fuse related to the power windows. If the fuse is intact, try operating the window from both the driver's control panel and the individual door control panel. If the window still does not work, inspect the window switch, wiring, and the window regulator for any visible damage or loose connections. If necessary, consult the Lexus RX450h automotive repair manual for detailed troubleshooting steps and wiring diagrams to diagnose and repair the faulty power window.

It is recommended to change the oil in your Lexus RX450h every 5,000 to 7,500 miles or every six months, whichever comes first. Regular oil changes help maintain the engine's performance and extend its lifespan by minimizing wear and tear on engine components. Refer to the Lexus RX450h automotive repair manual for specific instructions on how to change the oil and the type of oil to use.

The air filter in your Lexus RX450h should be replaced every 30,000 to 45,000 miles or every three years, depending on driving conditions and the quality of the air in your area. A dirty or clogged air filter can restrict airflow to the engine, leading to decreased performance and fuel efficiency. The Lexus RX450h automotive repair manual provides detailed instructions on how to replace the air filter and the recommended type of filter to use.

For optimum performance, it is recommended to use a genuine Lexus Long-Life Antifreeze/Coolant or a similar high-quality ethylene glycol-based coolant in your Lexus RX450h. This coolant is specifically formulated to provide excellent corrosion protection and the appropriate freeze and boil-over protection for your vehicle's cooling system. The Lexus RX450h automotive repair manual includes detailed specifications and instructions on how to properly check and add coolant when necessary.