Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to look for a gps on your vehicle [title] To check for one on your car, you need to inspect underneath and around the periphery of your car. [title] First you should learn a standard gps device. [step] Typically, gps units have two parts, the electronics component and the antennae respectively.

Ending1: The electronic component is usually in a plastic case with a magnet on the bottom, and connected by a wire to its antennae. Generally, the electronics unit is much larger than the antennae. Ending2: If the antenna part is present, then the programming is doomed to fail. First ask yourself how you came to pick a model and see if it has a gps unit there. Ending3: Determining your vehicle's model and which one you've equipped should give you a better idea of how gps units look and operate. [substeps] Go in the vehicle to check if its battery level is on and if it has been charged and cooled to room temperature or if its battery is frozen or is running. Ending4: Make sure you use the device to check for connectivity in your car. Newer gps units use two jacks within a unit, one hand forward and one back in case of emergency.

Answer format: ending1/ending2/ending3/ending4